Math 7 Module 2 Review

Multiplication

100

8(0)=

0

200

-12(-5)=

60

300

9(-13)=

-117

400

14(-2)(5)=

-140

500

Ms. Salisbury buys 6 pizzas for $8 each. What is the change in the amount of money Ms. Salisbury has?

The change is -$48 (or she spent $48).

Division

100

24/6 =

4

200

(-75)/5 =

-15

300

(-84)/(-7) =

12

400

Walter rides the bus every day for a week. At the end of the week, he spent $21 on bus rides. How much did each bus ride cost?

$3

500

(-20)/0 =

Undefined (not possible)

PEMDAS

100

What is the correct order of operations to solve a problem with? (What does PEMDAS stand for?)

Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction

200

6(3)+7=

25

300

19+40 \div (-8)=

14

400

13-(12 \div (2xx3))=

11

500

Write an equation to represent the following AND answer it:

Shana took a test with 50 questions. She lost 2 points for each of the 5 questions she got wrong. She also got 3 extra credit points. How many points did she gain or lose overall?

-7; she lost 7 points