All Units - Math Review

Decimals

100

7 + 2.3 + 16.58

25.88

200

15.23 - 4.65

10.58

300

4 + 13 + 0.89

17.89

400

2.5 x 5.4

13.50

500

2.432 ÷ 0.8

3.04

Percents

100

20% of 38

7.6

200

8% of 64

5.12

300

87% of 13

11.31

400

You need to pay taxes on your item. Taxes in Alberta are 5%.

Your item costs $12

How much do you need to pay in total?

12.60

500

There is a sale, the sign says 45% off of the original price of $29.99.

How much will you have to pay the cashier?

$16.50

Equations

100

7X = 21

X = 3

200

X + 19 = 41

X = 22

300

2X - 10 = 6

x = 8

400

7X + 18 = 60

x = 6

500

5X + 17 = 77

x = 12

Fractions

100

8 / 3   +  4 / 3 = ?

*Change answer to mixed number form*

4

200

2 / 3  +  1 / 2 = ?

*Change answer to mixed number form*

1  1/6

300

3 / 2 - 7 / 10 = ?

8/10  or  4/5

400

3  2/3  +  2  1/3 = ?

6

500

3  3/4  -  1 1/5 = ?

2  11/20

Integers

100

(+10) + (-13) 

(-3) 

200

(-17) + (-39) 

(-56)

300

(+15) - (-9) 

(+24)

400

(+4) - (+25)

(-21) 

500

(-43) - (+22) 

(-65)