3rd Grade Math Vocab (Set 2)

Increase

• go down

• go up

• stay the same

• reduce

Equivalent

• equal value even if different numbers are used (1/2 = 2/4 = 3/6)

• the same numerical representation (e.g., 1 = 1)

• a fraction that cannot be simplified

• a term used for numbers that are not related

Face

• flat side of a three-dimensional (3D) figure

• flat side of a three-dimensional (3D) figure

• the edge of a 3D figure

• the vertex of a 3D figure

Income

• Money earned from doing a job

• A type of investment

• A form of tax

• A government subsidy

Congruent

• Exactly the same size and shape

• Similar in shape but not size

• Different in both shape and size

• Only the same size, not shape

Credit

• borrowed money (loan or credit card)

• a type of savings account

• a form of investment

• a government grant

Parallelogram

• a quadrilateral with 2 sets of parallel sides

• a triangle with equal sides

• a rectangle with unequal angles

• a shape with no parallel sides

Cylinder

• 3D figure with 2 circular faces and no vertices or edges

• 3D figure with 1 circular face and 1 edge

• 2D figure with 2 circular faces

• 3D figure with 3 rectangular faces

Unplanned Expense

• A planned budget allocation for future expenses

• A surprise amount of money that must be paid for something unexpected (a flat tire, a broken window, a speeding ticket, etc.)

• A regular monthly payment for services

• A financial investment in a new project

Decrease

• go down

• increase

• stay the same

• multiply