January Math Review

Simplify Fractions

100

Simplify 5/10

1/2

200

Simplify 12/16

3/4

300

Simplify 30/5

6

400

Simplify 24/60

2/5

500

Simplify 73/4

13 1/4

Equivalent Fractions

100

Make an equivalent fractions to:

2/6

Examples: 1/3, 4/12, 6/18

200

Make an equivalent to:

7/21

examples: 1/3, 14/42, 21/63

300

Is 5/7 equivalent to 35/49?

Yes

400

Is 64/72 equivalent to 8/9?

Yes

500

Is 3/5 equivalent to 24/45?

No

Add/Sub Fractions

100

3/5 + 1/5 = 

4/5

200

7/10 - 4/10 =

3/10

300

3/5 + 4/5 = 

And simplify

1 2/5

400

3/5 + 2/15 = 

11/15

500

7/9 - 4/27 = 

7/27

Multiplying Fractions

100

2 x 1/3 = 

2/3

200

7 x 3/25 = 

21/25

300

3/5 x 2/7 = 

Can you simplify?

6/35

400

4/9 x 2/5 = 

Can you simplify?

8/45

500

2/8 x 2/4 =

Can you simplify? 

4/32 = 1/8

Random

100

7 x 8 =

56

200

Round 23.52 to the nearest tenth?

23.50

300

82.71 x 1000

82,710

400

Aaron has $30. He wants to spend 2/5 of his money on comic books. How much money does he want to spend?

$12

500

Use compatible numbers to estimate:

3,780/90 = 

3,600/90 = 40 underestimate

4,500/90 = 50 overestimate