Coach Roberts Biz Math Quarter Review

Basic Math Ops 1

100

Add -5 and 8

3

200

Subtract -9 from 12

21

300

Add -15 and -20

-35

400

Subtract -25 from -40 then Add 10

-5

500

Add 56 and -44 then subtract -30

42

Basic Math Ops 2

100

Multiply -3 and 6

-18

200

Divide -36 by 6

-6

300

Divide -100 by -8

12.5

400

Solve: 

3(-2/ 2)

-1

500

Solve:

(-8*-4)/ 16

2

Conversions and Change

100

5 feet is ______ inches

60

200

What's the change from a $20  on a $4.85 purchase?

$15.15

300

Convert 150 cm to meters

1.5

400

Convert 3 hours to seconds

10800 seconds

500

What's the change from $50 on a $42.85 item with a 25% off coupon?

$15.72

Averages

100

Find the average of 4,8 and 10

7.333

200

What is the average of 24 and 16?

20

300

Find the average of the following scores:

72,71,65,86,43,93,35,2,41,77

58.5

400

What is another word for average that we may use?

Mean

500

Calculate the average:

3.52, 79,91.234, 16.48, 58

49.6468

Ratio and Proportions

100

What is the GCF of 63 and 42?

7

200

Convert to simplest form:

18/32

9/16

300

Solve for the missing value: 3/4=x/16

x=12

400

Rewrite the ratio as a fraction in simplest terms:

45:99

5/11

500

Solve the proportion:

6/21=2/x

x=7