Grade 3 Math Vocabulary
- Area and perimeter of triangle
- Area of 2d shapes
- Area of shape
- Area of a quadrilateral
- Area of a rectangle
- Area of a square
- Customary units
- Linear measurement
- Measurement
- Measurement units
- Perimeter of a polygon
- Perimeter of a square
- Perimeter of a triangle
- Units
- Bigger
- Capacity
- Centimeter
- Cup
- Customary system
- Data
- Decimeter
- Fluid ounce
- Foot
- Gallon
- Gram
- Half gallon
- Heavier
- Height
- Inch
- Kilogram
- Length
- Lighter
- Liter
- Mass
- Measuring tape
- Ounce
- Pint
- Quart
- Ruler
- Same height
- Same weight
- Scale
- Scale (on a graph)
- Scaling
- Shortest
- Tallest
- Weight
- Width
- Yardstick
- Area of irregular shapes
- Curved line
- Geometry
- Parallel and perpendicular lines
- Perimeter of a rectangle
- Transformation geometry
- Venn diagram
- Angle
- Area
- Area model
- Attribute
- Bar graph
- Bar model
- Closed shape
- Decagon
- Endpoint
- Hexagon
- Horizontal bar graph
- Intersecting lines
- Key
- Line
- Line graph
- Line plot
- Line segment
- Metric system
- Octagon
- Open shape
- Parallel lines
- Parallelogram
- Pattern
- Pentagon
- Perimeter
- Perpendicular lines
- Picture graph
- Plane figure
- Point
- Polygon
- Quadrilateral
- Ray
- Rectangle
- Rectilinear figure
- Rhombus
- Right angle
- Side of a polygon
- Sphere
- Square
- Square unit
- Tiling
- Trapezoid
- Triangle
- Two-dimensional
- Unit square
- Vertex (plural - vertices)
- Vertical bar graph
- Vertical volume (liquid)
- Volume
- Ascending order
- Consecutive numbers
- Equivalent
- Number properties
- Number words
- Round to the nearest tens
- Value
- Base-ten numeral form
- Base-ten numerals
- Compatible numbers
- Compose
- Decompose
- Digit
- Eighths
- Equation
- Estimate
- Expression
- Fact family
- Greater than
- Hundreds
- Number line
- Ones
- Order
- Round a whole number
- Row
- Sixths
- Skip count
- Tens
- Whole
- Whole numbers
- Associative property of multiplication
- Commutative property of multiplication
- Inverse
- Multiplication
- Multiplication chart
- Multiplication property of equality
- Multiplicative identity property of 1
- Multiplier
- Properties of multiplication
- Times tables
- Zero property of multiplication
- Common numerator
- Factor
- Multiple
- Multiply
- Product
Learn with the Complete K-5 Math Learning Program
