Unit 2 Vocab
Prime or Composite
Which calculation should you do FIRST?
100

Means the same as "equal to" or "same amount".

equivalent

100

12

Composite

100

2 x (4 + 5)

4 + 5

200

What are the four fundamental operations/calculations in math?

addition, subtraction, multiplication, and division

200

17

Prime

200

12 ÷ 6 + 9  x 4

12 ÷ 6

300

A mathematical representation using pictures, drawings, diagrams or physical objects.

model

300

1

neither prime nor composite

300

30 + 3 x (15-5) ÷ 6

15-5

400

To rewrite an expression in the most basic or simplest terms without changing its value.

simplify

400
33

Composite

400

32 ÷ 8 x 7 - 4

32 ÷ 8

500

A mathematical phrase that includes a group of numbers and operations, but no equal sign.

expression

500

73

Prime

500

5 ● 8 + (10 – 6 ÷ 2)

6 ÷ 2