Grade 4 Math Vocabulary
- Testing measure
- Venn diagram
- Acute angle
- Acute triangle
- Angle
- Angle measure
- Arc
- Area
- Area model
- Attribute
- Bar model
- Base
- Circle
- Congruent
- Degree (angle measure)
- Diagonal
- Edge
- Endpoint
- Equiangular triangle
- Equilateral triangle
- Hexagon
- Horizontal
- Intersect
- Intersecting lines
- Inverse operations
- Isosceles triangle
- Line
- Line of symmetry
- Line plot
- Line segment
- Line symmetric figures
- Line symmetry
- Metric system
- Nonagon
- Obtuse angle
- Obtuse triangle
- Parallel lines
- Parallelogram
- Pattern
- Perimeter
- Perpendicular
- Perpendicular lines
- Plane figure
- Point
- Polygon
- Protractor
- Quadrilateral
- Ray
- Rectangle
- Regular polygon
- Rhombus
- Right angle
- Right triangle
- Scalene triangle
- Side
- Side of a shape
- Sphere
- Square
- Square unit
- Straight angle
- Trapezoid
- Triangle
- Two-dimensional
- Vertex (plural - vertices)
- Vertical volume (liquid)
- Volume
- Subtracting mixed numbers
- Benchmark fractions
- Common factor
- Common multiple
- Denominator
- Equivalent fractions
- Factor
- Factor pairs
- Fourth of
- Fourths
- Fraction
- Fraction greater than one
- Fraction less than one
- Half of
- Half past
- Halves
- Like denominators
- Like numerators
- Simplest form
- Simplify
- Unit fraction
- Unlike denominators
- Unlike numerators