Basic Math Review

Long Division

100

84÷4=

21

200

96÷3=

32

300

315÷5=

63

400

624÷12=

52

500

A 12.6-pound bag of rice is divided equally into 3.5-pound portions. How many portions can you make?

3.6 portions

+ and - with Decimals

100

4.5 + 2.3 = ?

6.8

200

7.8 − 3.2 = ?

4.6

300

5.25 + 2.40 = ?

7.65

400

9.6 − 3.75 = ?

5.85

500

You have $15.00. You spend $6.75 and then receive $2.50. How much money do you have now?

$10.75

Subtraction (-)

100

2 × 3 = ?

6

200

4 × 2.5 = ?

10

300

3 × 1.4 = ?

4.2

400

A notebook costs $2.50. You buy 4 notebooks. How much do you spend?  

$10.00  

500

65 - 15 = ?

50

Compare Fractions

100

1/2 (> or <) 2/2            

1/2 < 2/2

200

1/4 (> or <) 1/2

1/4 < 1/2

300

3/6 (> or <) 5/6

3/6 < 5/6

400

2/3 (> or <) 3/6 

2/3 > 3/6

4/6 > 3/6

500

3/4 (> or <) 5/8

3/4 > 5/8

6/8 > 5/8

Decimals

100

2.4 x 10 = ?

24

200

3.68 x 10 = ?

36.8

300

4.24 x 100 = ?

424

400

56.9 x 100 = ?

5,690

500

84.3 x 1,000 = ?

84,300