CONTENT TYPE
TOPIC
- Fractions (57)
- Identify Fractions (28)
- Compare Fractions (17)
- Compare fractions using visual models (1)
- Compare fractions without visual models (1)
- Compare fractions using number lines (4)
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Equivalent Fractions (12)
- Time (11)
- Word Problems (21)
- Addition and Subtraction Word Problems (11)
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Money Word Problems (7)
- Multiplication and Division Word Problems (3)
- Addition (54)
- Decimals (20)
- Division (64)
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Advance Division (3)
- Division Facts (43)
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Division Facts of 10 (3)
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Division Facts of 2 (5)
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Division Facts of 3 (5)
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Division Facts of 4 (5)
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Division Facts of 5 (5)
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Division Facts of 6 (5)
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Division Facts of 7 (5)
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Division Facts of 8 (5)
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Division Facts of 9 (5)
- Introduction to Division (18)
- Measurement (59)
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Capacity (6)
- Data Handling (12)
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Weight (5)
- Area (15)
- Perimeter (15)
- Length (6)
- Number Sense (54)
- Compare and Order Numbers (13)
- Place Value (41)
- Read and Write Numbers (29)
- Expanded Form (5)
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4-Digit Numbers in Expanded Form (1)
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5-Digit Numbers in Expanded Form (1)
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3-Digit Numbers in Expanded Form (3)
- Standard Form (8)
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3-Digit Numbers in Standard Form (3)
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4-Digit Numbers in Standard Form (4)
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5-Digit Numbers in Standard Form (1)
- Word Form (3)
- Unit Form (10)
- Place Value Chart (3)
- Round Numbers (12)
- Money (10)
- Multiplication (135)
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Advance Multiplication (13)
- Multiplication Properties (12)
- Times Tables (75)
- Introduction to Multiplication (35)
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Subtraction (45)
- Geometry (17)
Games for 3rd Graders on Subtraction without Regrouping
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Subtract within 1000 without RegroupingSubtract 1-Digit Numbers From 3-Digit Numbers Game
Have your own math-themed party by learning how to subtract 1-digit numbers from 3-digit numbers.
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Subtract within 10000 without Regrouping
Subtract 2-Digit Numbers from 4-Digit Numbers Without Regrouping Game
Sharpen your math skills by subtracting 2-digit numbers from 4-digit numbers without regrouping.
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Subtract within 1000 without Regrouping
Fluently Subtract 1-Digit From 3-Digit Numbers Game
Apply your knowledge of subtraction to fluently subtract 1-digit from 3-digit numbers.
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Subtract within 10000 without Regrouping
Subtract 3-Digit Numbers from 4-Digit Numbers Without Regrouping Game
Subtract 3-digit numbers from 4-digit numbers without regrouping.
Games for 3rd Graders on Subtraction with Regrouping
View all 22 games-
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Subtract within 10000 with Regrouping
Regroup to Subtract 2-Digit From 4-Digit Number Game
Regroup to subtract 2-digit from 4-digit numbers in this game.
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Subtract within 1000 with Regrouping
Regroup and Subtract 1-Digit From 3-Digit Numbers Game
Help your child take flight by learning how to regroup and subtract 1-digit from 3-digit numbers.
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Subtract within 10000 with Regrouping
Regroup and Subtract 2-Digit From 4-Digit Numbers Game
Children must regroup and subtract 2-digit from 4-digit numbers.
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Subtract within 1000 with Regrouping
Regroup to Subtract 1-Digit From 3-Digit Numbers Game
Regroup to subtract 1-digit from 3-digit numbers.
All Subtraction Games for 3rd Graders
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Subtract within 1000 without Regrouping
Subtract 1-Digit Numbers From 3-Digit Numbers Game
Have your own math-themed party by learning how to subtract 1-digit numbers from 3-digit numbers.
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Subtract within 10000 with Regrouping
Regroup to Subtract 2-Digit From 4-Digit Number Game
Regroup to subtract 2-digit from 4-digit numbers in this game.
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Subtract within 1000 without Regrouping
Fluently Subtract 1-Digit From 3-Digit Numbers Game
Apply your knowledge of subtraction to fluently subtract 1-digit from 3-digit numbers.
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Subtract within 10000 with Regrouping
Regroup and Subtract 2-Digit From 4-Digit Numbers Game
Children must regroup and subtract 2-digit from 4-digit numbers.
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Subtraction Without Regrouping
Subtract 1-Digit From 3-Digit Numbers and Match Game
Kids must subtract 1-digit from 3-digit numbers and match to practice subtraction.
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Subtraction With Regrouping
Regroup to Subtract 3-Digit From 4-Digit Number Game
Enter the madness of math-multiverse by learning to regroup to subtract 3-digit from 4-digit number.
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Subtraction Without Regrouping
Subtract 2-Digit From 3-Digit Numbers Using Model Game
Apply your knowledge to subtract 2-digit from 3-digit numbers using models.
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Subtraction With Regrouping
Regroup and Subtract 3-Digit From 4-Digit Numbers Game
Learn to solve math problems by regrouping and subtracting 3-digit from 4-digit numbers.
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Subtraction Without Regrouping
Subtract 2-Digit Numbers From 3-Digit Numbers Game
Take a deep dive into the world of math by subtracting 2-digit numbers from 3-digit numbers.
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Subtraction With Regrouping
Regroup Once to Subtract Two 4-Digit Numbers Game
Kids must regroup once to subtract two 4-digit numbers.
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Subtraction Without Regrouping
Fluently Subtract 2-Digit From 3-Digit Numbers Game
Take a look at how to fluently subtract 2-digit from 3-digit numbers with this subtraction game.
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Subtraction With Regrouping
Regroup Once and Subtract Two 4-Digit Numbers Game
Dive deep into the world of math by regrouping once and subtracting two 4-digit numbers.
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Subtraction Without Regrouping
Subtract 2-Digit From 3-Digit Numbers and Match Game
Use your subtraction skills to subtract 2-digit from 3-digit numbers and match.
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Subtraction With Regrouping
Regroup Twice to Subtract Two 4-Digit Numbers Game
Kids must regroup twice to subtract two 4-digit numbers.
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Subtraction Without Regrouping
Subtract 3-Digit From 3-Digit Numbers Using Model Game
Shine bright in the math world by learning to subtract 3-digit from 3-digit numbers using models.
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Subtraction With Regrouping
Regroup Twice and Subtract Two 4-Digit Numbers Game
Dive deep into the world of subtraction by regrouping twice and subtracting two 4-digit numbers.
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Subtraction Without Regrouping
Subtract 3-Digit Numbers From 3-Digit Numbers Game
Enjoy the marvel of math-multiverse by exploring to subtract 3-digit numbers from 3-digit numbers.
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Subtract within 1000 with Regrouping
Regroup and Subtract 1-Digit From 3-Digit Numbers Game
Help your child take flight by learning how to regroup and subtract 1-digit from 3-digit numbers.
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Subtraction Without Regrouping
Fluently Subtract 3-Digit From 3-Digit Numbers Game
Use your subtraction skills to fluently subtract 3-digit from 3-digit numbers.
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Subtract within 1000 with Regrouping
Regroup to Subtract 1-Digit From 3-Digit Numbers Game
Regroup to subtract 1-digit from 3-digit numbers.
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Subtraction Without Regrouping
Subtract 3-Digit From 3-Digit Numbers and Match Game
Ask your little one to subtract 3-digit from 3-digit numbers and match to play this game.
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Subtraction With Regrouping
Missing Number in 1-Digit From 3-Digit Subtraction Game
Find the missing number in 1-digit from 3-digit subtraction.
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Subtract within 10000 without Regrouping
Subtract 2-Digit Numbers from 4-Digit Numbers Without Regrouping Game
Sharpen your math skills by subtracting 2-digit numbers from 4-digit numbers without regrouping.
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Subtraction With Regrouping
Regroup and Subtract 2-Digit From 3-Digit Numbers Game
Sharpen your subtraction skills by regrouping and subtracting 2-digit from 3-digit numbers.
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Subtract within 10000 without Regrouping
Subtract 3-Digit Numbers from 4-Digit Numbers Without Regrouping Game
Subtract 3-digit numbers from 4-digit numbers without regrouping.
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Subtraction With Regrouping
Regroup to Subtract 2-Digit From 3-Digit Numbers Game
Regroup to subtract 2-digit from 3-digit numbers in this game.
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Subtraction Without Regrouping
Subtract 2-Digit From 4-Digit Numbers Using Model Game
Enjoy the marvel of mathematics by exploring to subtract 2-digit from 4-digit numbers using models.
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Subtraction With Regrouping
Missing Number in 2-Digit From 3-Digit Subtraction Game
Kids must find the missing number in 2-digit from 3-digit subtraction.
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Subtraction Without Regrouping
Fluently Subtract 2-Digit From 4-Digit Numbers Game
Enjoy the marvel of mathematics by exploring how to fluently subtract 2-digit from 4-digit numbers.
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Subtraction With Regrouping
Regroup and Subtract 3-Digit From 3-Digit Numbers Game
Kids must regroup and subtract 3-digit from 3-digit numbers to practice subtraction.
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Subtraction Without Regrouping
Subtract 2-Digit From 4-Digit Numbers and Match Game
Enjoy the marvel of math-multiverse by exploring to subtract 2-digit from 4-digit numbers and match.
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VIEW DETAILS
Subtraction With Regrouping
Regroup to Subtract 3-Digit From 3-Digit Numbers Game
Enjoy the marvel of mathematics by learning to regroup to subtract 3-digit from 3-digit numbers.
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VIEW DETAILS
Subtraction Without Regrouping
Subtract 3-Digit From 4-Digit Numbers Using Model Game
Use your math skills to subtract 3-digit from 4-digit numbers using models.
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Subtraction With Regrouping
Missing Number in 3-Digit From 3-Digit Subtraction Game
Apply your knowledge of math to find the missing number in 3-digit from 3-digit subtraction.
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Subtraction Without Regrouping
Fluently Subtract 3-Digit From 4-Digit Numbers Game
Learn to solve math problems by fluently subtracting 3-digit from 4-digit numbers.
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Subtraction With Regrouping
Regroup Once to Subtract Game
Take the first step towards building your math castle by practicing how to regroup once to subtract.
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Subtraction Without Regrouping
Subtract 3-Digit From 4-Digit Numbers and Match Game
Practice the superpower of math by learning how to subtract 3-digit from 4-digit numbers and match.
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Subtraction With Regrouping
Regroup Twice to Subtract Game
Take the first step towards building your math castle by practicing to regroup twice to subtract.
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Subtraction Without Regrouping
Subtract Two 4-Digit Numbers Using Model Game
Learn to solve math problems by subtracting two 4-digit numbers using models.
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Subtraction With Regrouping
Regroup Once to Subtract Across Zeros Game
Unearth the wisdom of mathematics by learning how to regroup once to subtract across zeros.
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Subtraction Without Regrouping
Regroup to Subtract Two 4-Digit Numbers Game
Learn to solve math problems by regrouping to subtract two 4-digit numbers.
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Subtraction With Regrouping
Regroup Twice to Subtract Across Zeros Game
Unearth the wisdom of mathematics by learning how to regroup twice to subtract across zeros.
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Subtraction Without Regrouping
Fluently Subtract Two 4-Digit Numbers Game
Help your child take flight by learning how to fluently subtract two 4-digit numbers.
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Subtraction With Regrouping
Regroup Thrice to Subtract Across Zeros Game
Regroup thrice to subtract across zeros in this game.
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Subtraction Without Regrouping
Subtract Two 4-Digit Numbers and Match Game
Enter the madness of math-multiverse by exploring how to subtract two 4-digit numbers and match.
Addition and Subtraction as Inverse Operations
Addition and subtraction are called inverse operations as one is the mathematical ‘opposite’ of the other. Hence, they should be taught parallelly, alongside each other rather than as two separate entities. It is essential that children are taught to appreciate and make use of this mathematical relationship when developing and using mental calculation strategies. By comparing the different conceptual structures for addition and subtraction learnt so far, we can clearly see that each addition model has a corresponding subtraction model as its inverse:
To solve add and subtract math word problems care must also be taken in knowing well not just the addition and subtraction definition but also the terminology. Here is a list of terms curated to help solve math problems related to addition and subtraction.
For addition: plus, add, sum, total, together, addition, increase by, more, additional
For subtraction: minus, subtract from, subtraction, Less, difference, decrease by, take away, deduct
Requirements for Mental Addition and Subtraction Strategies
Place Value of Digits in any Number
Sound understanding of the aspects of place value system is utmost important for children to achieve success in mental addition and subtraction tasks. It is therefore important that children can partition numbers or decompose numbers into their constituents. This is possible when children can recognize the value of the digits within the numbers, thus 53 = 50 + 3; 527 = 500 + 20 + 7 and, at later stages, they should be able to understand the same for decimals. For example, 9·23 = 9 + 0·2 + 0·03.
Comparison of Numbers
Children will also need familiarity with the relative sizes of numbers. They should recall this from all the ordering activities in place value system
Relationship between Addition and Subtraction
The inverse relationship between addition and subtraction should also be clear to kids as knowing strategies for addition will help them unlock the subtraction strategies automatically.
Some Mental Strategies for Addition and Subtraction
1. Rearranging Numbers
Rearrange the numbers such that the larger number is put first when adding using the commutative law. For example, 6 + 14, is more easily tackled as 14 + 6.
2. Using Repeated Operations
Repeated subtraction is easier to do when subtracting a large number.
For example, subtracting 300 by subtracting 100 three times.
3. Compensation or Adjustment
At times, it is easier to calculate by adjusting the numbers a little. For example, calculating with 10 is easier than calculating with 9. Calculating 43 + 19 by working out 43 + 20 and then subtracting 1 is a much more efficient way of solving the problem.
4. Using Near Doubles or Halves
When the numbers involved in the math problem are consecutive numbers.
For example, calculating 18 + 17 as ‘double 17 and add 1’ or ‘double 18 and subtract 1’
Or calculating 24 − 13 as (24 − 12) – 1
5. Partitioning
Decomposing or partition a number is sometimes more efficient.
For example, 27 + 34 = (20 + 30) + (7 + 4) = 50 + 11 = 61
or 27 + 34 = (20 + 30) + 7 + 4 = 50 + 7 + 4 = 57 + 4 = 61
6. Bridging to the next Multiple of 10 or 100
For example, calculating 238 + 17 by splitting 17 into 2 + 15.
So, 238 + 17 = (238 + 2) + 15 = 240 + 15 = 255
7. Using Inverse Relationships
We know addition and subtraction are inversely related so subtractive problems can be made additive. For example, calculating 100 − 70 by knowing that 70 + 30 = 100 and that addition and subtraction are inverse operations.
8. Rounding (to approximating answers)
For example, to solve 24 + 67, round of 24 to 20, 67 to 70 and then add 20 + 70 = 90
This approach is mostly used in multiple choice answers where knowing the approximate answer also works.
9. Using Equivalences
Equivalence relation may be used in some cases.
For example, calculating 101 − 35 by noting that this is equivalent to calculating 100 – 34 or calculating 5 + 8 by noting that this is equivalent to 5 + 10 - 2 = 15 - 3 = 13
Progression in Written Methods for Subtraction
By this grade students are already well versed with double digit subtraction with regrouping and without regrouping. In 3rd grade children should be equipped with four digits and three digit subtraction with regrouping. Following methods can be used to define subtraction and extend their knowledge of two digit subtraction with regrouping to subtract integers, decimals, mixed numbers and fractions. Time subtraction, vector subtraction and matrix subtraction will also be done in a similar way in later stages.
Methods for Subtraction
Counting up from the smaller to the larger number
This method combines the use of complementary addition with the use of number line.
Compensation ( Take too much, add back)
To solve subtraction problems using this method first subtract too much and then add back whatever extra was subtracted from the minuend.
For example, 783-356
Expanded form of Standard Algorithm
This method is used when some of the digits in the first number are smaller than the corresponding digits in the second number. This makes the use of decomposition necessary.
1. by decomposition of tens into ones (using the exchange 1 ten = 10 ones)
2. decomposition of hundreds into tens (using the exchange 1 hundred = 10 tens)
3. decomposition of hundreds into tens and then tens into ones
This algorithm can be modeled using Dienes’ base 10 apparatus as follows:
Let us look at an example of subtraction 243-179
Step 1: Partition the first number into hundreds, tens and ones: 243 = 200 + 40 + 3. Place the corresponding Dienes' blocks in the relevant columns.
Step 2: Partition the second number into hundreds, tens and ones:179 = 100 + 70 + 9. A decision needs to be made at this point as to whether the subtraction of individual columns is immediately feasible or not. In this example, the tens and ones’ columns are not.
Step 3: One of the hundreds blocks is decomposed into 10 tens in order to make subtraction of the tens digits feasible.
However, the ones column is still infeasible so a further decomposition is necessary.
Step 4: This time, one of the tens is decomposed into 10 ones. This finally makes the subtraction column by column feasible.
Step 5: Column by column, blocks equivalent to the values of the digits in the second number are removed from the first number.
Step 6: The blocks remaining from the first number after the subtraction has been performed are now placed in the answer box and their values combined to produce the answer: 60 + 4 = 64.
Contraction of Expanded Algorithm to Standard Algorithm
This method is a contracted form of the algorithm detailed above. Following are some examples for three digit subtraction with regrouping.
For example,
1. with decomposition of tens into ones (using the exchange 1 ten = 10 ones)
2. with decomposition of hundreds into tens (using the exchange 1 hundred = 10 tens)
3. with decomposition of hundreds into tens and then tens into ones
Extend to Larger Numbers
Use the same algorithms for long subtraction. For larger numbers, introduce the expanded formats first, then contract these to the standard algorithm. Once comfortable with the standard algorithm, use the same to practice adding and subtracting negative numbers worksheets then proceed to adding and subtracting integers worksheet, then practice adding and subtracting decimals worksheets and finally practice adding and subtracting mixed numbers worksheet.
Extend to Negative Numbers
Children should be taught how to add and subtract integers through learning games and activities first and then through standard algorithms. How to subtract integers or how to subtract negative numbers is easy provided students are comfortable with standard subtraction algorithm. However, the rules for adding and subtracting negative numbers must be laid down for children to be able to correctly represent all the problems of mathematics.
Extend to Decimal Numbers
Children may continue to align the right-most digits of each number vertically even when this is not appropriate for decimal numbers. It is important that children are taught, even for whole number subtractions, to align the digits of the second number underneath those of the first number according to the place value of each of the digits, that is, tens under tens, ones under ones, tenths under tenths etc. Once this concept is clear, emphasize on rules of adding and subtracting decimals. Provide kids with subtracting decimals worksheet to practice the standard algorithm well.
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Introduction to SubtractionSubtract Multiples of 10 using Base 10 Blocks WorksheetIn this worksheet, learners will get to subtract multiples of 10 using base 10 blocks.
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Subtraction StrategiesComplete the Statements Using Subtraction Sentence WorksheetSolidify your math skills by practicing to complete the statements using subtraction sentences.
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Subtraction Without RegroupingAdd and Subtract 3-Digit and 2-Digit Numbers without Regrouping: Horizontal Addition and Subtraction WorksheetPrint this worksheet to add and subtract 3-digit and 2-digit numbers without regrouping.
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Subtraction With RegroupingAdd and Subtract 3-Digit and 2-Digit Numbers with Regrouping: Horizontal Addition and Subtraction WorksheetKids must add and subtract 3-digit and 2-digit numbers with regrouping to enhance their math skills.
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Introduction to SubtractionUse Number Line to Subtract Multiples of 10 WorksheetCombine math learning with adventure by using the number line to subtract multiples of 10.
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Subtraction StrategiesComplete the Subtraction Facts WorksheetReinforce math concepts by practicing to complete subtraction facts.
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Subtraction Without RegroupingAdd and Subtract 3-Digit and 2-Digit Numbers without Regrouping: Vertical Addition and Subtraction WorksheetDownload this worksheet to add and subtract 3-digit and 2-digit numbers without regrouping.
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Subtraction With RegroupingAdd and Subtract 3-Digit and 2-Digit Numbers with Regrouping: Vertical Addition and Subtraction WorksheetSolidify your math skills by adding and subtracting 3-digit and 2-digit numbers with regrouping.
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Introduction to SubtractionUse Model for Subtraction WorksheetThis downloadable worksheet is designed to practice using models for subtraction.
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Subtraction StrategiesEquivalent Subtraction Facts WorksheetIn this worksheet, learners will get to practice equivalent subtraction facts.
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Subtraction Without RegroupingAdd and Subtract Two 3-Digit Numbers without Regrouping: Horizontal Addition and Subtraction WorksheetThis downloadable worksheet will help you add and subtract two 3-digit numbers without regrouping.
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Subtraction With RegroupingAdd and Subtract Two 3-Digit Numbers with Regrouping: Vertical Addition and Subtraction WorksheetUse this printable worksheet to add and subtract two 3-digit numbers with regrouping.
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Introduction to SubtractionUse Model to Subtract Ones WorksheetSolidify your math skills by using models to subtract ones.
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Subtraction StrategiesSubtract by Making 10 WorksheetAssess your math skills by subtracting by making a 10 in this worksheet.
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Subtraction Without RegroupingAdd and Subtract Two 3-Digit Numbers without Regrouping: Vertical Addition and Subtraction WorksheetDownload this worksheet to add and subtract two 3-digit numbers without regrouping.
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Subtraction With RegroupingSubtract 1-Digit Numbers from 3-Digit Numbers with Regrouping: Horizontal Subtraction WorksheetPut your skills to the test by subtracting 1-digit numbers from 3-digit numbers with regrouping.
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How do we teach subtraction to 3rd graders?
Subtraction games for 3rd grade online can be used to teach the concept to third graders. These games help students learn new strategies to subtract multi-digit numbers. These online games also help in enhancing children’s accuracy and ability to subtract mentally, which subsequently improves their subtraction fluency.
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How can 3rd graders play games on subtraction?
Kids can play subtraction games for 3rd grade online on various devices such as smartphones, tablets, laptops, etc.
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What to teach 3rd graders in subtraction?
In grade 3, children learn how to subtract 3-digit and 4-digit numbers by using various subtraction strategies and techniques. Kids learn how to subtract numbers with regrouping and without regrouping. This enhances their subtraction skills and knowledge.
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What are some of the best fun activities on subtraction for 3rd graders?
Some of the best fun activities on subtraction for 3rd graders are: playing multi-digit subtraction jenga, reading a book on subtraction, using bundles of ice cream sticks for multi-digit subtraction, etc.
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