Unit 5 Knowledge Check

What is the first step in this equations?

40÷1+3-(3×7)+7-5

• 40÷1

• -(3×7)

• 7-5

• 1+3

What is the first step in this equation?

7×7+1+16÷8-(6-7)

Pay attention to the details

• 16÷8

• -(6-7)

• 7×7+1+16÷8-(6-7)

• (6-7)

 $5^3$  

• 15

• 125

• 30

• 45

 $6^2$  

 $4^2+5$  

• 36

• 13

• 21

• 15

What property is the following equation?

10 × 7 = 7 × 10

• communative

• associative

• identity

• distributive

What property is this equation?

(10 × 7) + (10 × 0) = 10 × (7 + 0)

• Associative

• distributive

• identity

• commutative

What property is this equation?

1 × 6 = 6

• associative

• communitive

• distributive

• identity

What property is this equation?

1 × (8 × 5) = (1 × 8) × 5

• assosciative

• communative

• distributive

• identity

Solve this equation.

 $4\div2\times3-5$