Math Year Review

Place Value

100

1,2​​​​35

Hundreds Place

200

5

Ones Place

300

0.2

Tenths Place

400

3,475,029

Ten Thousands

500

12.068

Thousandths Place

Adding/Subtracting Decimals

100

1.2+1.2=?

2.4

200

22.5-12=?

10.5

300

0.52+0.67=?

1.19

400

2.33-0.5=?

1.83

500

5.14+0.2-1.5=?

3.84

Multiplying/Dividing Decimals

100

67x0.1=?

6.7

200

12x0.2=?

2.4

300

24/0.2=?

120

400

0.52/0.2

2.6

500

22.4x3.7=?

82.88

Adding/Subtracting Fractions

100

1/4 + 2/4 =?

3/4

200

5/6 - 2/6 =?

3/6, but really it's 1/2

300

5/12 + 3/8 =?

19/24

400

2 3/4 + 5 2/5 =?

8 3/20

500

24 1/2 - 12 3/4 =?

11 3/4

Multiplying/Dividing Fractions

100

1/8 x 1/3 =?

1/24

200

1/8 divided by 1/3 =?

3/8

300

3/12 x 5/8 =?

5/32

400

2 2/3 x 4 1/4 =?

34/3 or 11 1/3

500

9 2/3 divided by 3 1/3 =?

29/10 or 2 9/10