Math Review

Round each decimal to the nearest whole number.
12.3

• 10
• 12
• 1.2
• 15

Round each decimal to the nearest whole number.

4.75

• 4
• 4.5
• 5
• 7

Round each decimal to the nearest whole number.

22.48

• 20
• 21
• 23
• 22

Round each decimal to the nearest whole number.

22.48

• 20
• 21
• 23
• 22

Which pair shows compatible numbers?

• 40 x 30
• 41 x 32
• 10 x 6
• 19 x 18

In the equation below, which number is the product? 
5.46 x 3.25 = 17.745

• 17.745
• 5.456
• 3.25
• Both b & c

In the equation below, what number(s) is/are the product(s)?
13 x 8 x 2 = 208

• 208
• 13
• 2
• 8

Estimate the product
5.8 x 4 

• 25
• 24
• 40
• 35

Which would not be a good estimate?

13.92 x 2.7

• 39
• 30
• 42
• 60

Which would not be a good estimate?

94.89 x 3.11

• 180
• 300
• 270
• 285