Grade 9 Review

Integers

100

What is 8 x 3

24

200

What goes in the blank? 
(-7)() = 28

-4

300

What are the three types of integers?

Negative Natural Numbers

0

Positive Natural Numbers

400

Evaluate:

You owe your parents $60 and have agreed to pay it back in three equal payments. How much do you have to pay for each payment? 

$60/3 = $20

$ 20 each payment

500

Calculate without using a calculator!

2(-4)(-3)(1)(-5)(-1)

120

Integers 2

100

What is - 7 x 7

-49

200

When you multiply integers, if there is an odd number of negatives, the asnwer is

negative

300

Evaluate

8-2(-2)-(-5)

17

400

The temperature deopped 18 degree Celcius in 9 h. Calculate the temperature change per hour. 

-2 degree Calclius / hour

500

Calculate using a calculator
2(-7)(-2)(-1)(5)(3)

-420

Order of Operations

100

2²+4x3

-8

200

(5-9)+8(-3)-(-2)

-26

300

What does the acronym BEDMAS stand for?

BEDMAS stands for Brackets, Exponents, Division and Multiplication (from left to right), Addition and Subtraction (from left to right).  

400

Calculate without using
6x8-(4²+2)-(-72)/8

39

500

{(-5)²-3(7)} / {(-2)²-(9-3)}

-2

Fractions

100

write mixed number as an improper fraction 

1 (2/5)

7/5

200

What is the greatest common factor of each numerator and denominator?

15/27

3

300

BONUS!!
You get a free point!!! :)

You get a free point!!! :)

400

Is this pair of fraction equivalent?

20/15    and     12/9

Yes

500

*first and third one is a mixed number
Calculate:
2 (3/4) - (-11/12) + 2 (3/7)

512/84

or

128/21

Fractions 2

100

write mixed number as an improper fraction 

5 (2/7)

37/7

200

What is the greatest common factor of each numerator and denominator?

34/51

17

300

Reduce to its lowest terms

- (48/56)

-(6/7)

400

*first one is a mixed number
Calculate:
1 (1/3) - 2/5

14/15

500

*first and third one is a mixed number
Calculate:
2 (3/4) - (-11/12) x 2 (3/7)

418/84

or

209/42