Math Review 8th

Simplifying Fractions

100

16/4 = 

4

200

19/3

6 and 1/3

300

22/5 =

4 and 2/5

400

10/15 =

2/3

500

150/200 =

3/4

Divisibility Rules #1

100

Which number(s) below is divisible by 2.

1, 4, 5, 7, 9, 10

4 and 10 

200

Which number(s) below is divisible by 3.

1, 4, 6, 7, 9, 10

6 and 9

300

Which number(s) below is divisible by 5.

1, 4, 5, 7, 9, 10, 20, 21

5, 10, and 20

400

Which number(s) below is divisible by 2.

1, 4, 5, 7, 9, 10, 12, 15

4, 10, and 12

500

Which number(s) below is divisible by 3.

3, 17, 23, 36, 42, 99, 101

3, 36, 42, and 99

Divisibility Rules #2

100

Which number(s) below is divisible by 5.

1, 10, 15, 16, 24, 29, 35

10, 15, 35

200

Which number(s) below is divisible by 10.

1, 4, 5, 7, 9, 10, 99, 110, 111, 120

10, 110, 120

300

Which number(s) below is divisible by 5.

15, 16, 29, 45, 55, 109, 126

15, 45, 55

400

Which number(s) below is divisible by 10.

100, 124, 170, 188, 220, 240

100, 170, 220, 240

500

Which number(s) below is divisible by 3.

11, 15, 17, 27, 32, 45, 100

15, 27, 32, 45

Solving for a letter

100

x - 10 = 32

x = 42

200

1/3f = 2

f = 6

300

20 + h = 27

h = 7

400

19 - g = 4

g = 15

500

h - 2/5 = 5/5

h = 7/5

Writing letter equations

100

Write a letter equation for the following statement:

In 12 seconds, how many pages will be printed? 

s(p/s)=p

200

Write a letter equation for the following statement: 

How many minutes will it take to bake 10 cakes?

c(m/c)=m

300

Write a letter equation for the following statement: 

How many players are on 6 teams?

t(p/t)=p

400

Write a letter equation for the following statement: 

How many lizards are in 5 cages?

c(l/c) = l

500

Write a letter equation for the following statement: How many dogs are there in 4 houses?

h(d/h) = d