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1.

# Add 3 Digit with 1 Digit Number with Regrouping

- Grade 3 Math

By the end of the third grade, students should be fluent with addition within 1000. Students should already have considerable practice of addition within 1000 in the second grade, but as fluency is an expectation in this grade, students must be exposed to a variety of methods, including the standard algorithm for addition. In 3 Digit + 1 Digit with Regrouping Worksheet, students add 1 digit number to 3 digit numbers, including situations, which involve composing tens by regrouping ones (carry).

### Common Core Alignment

3.NBT.2Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.