Powers of 10
When solving 48.9 x 10^2
How is the decimal point moved?
2 places to the right
24.5 x 3.8
93.1
45.0 divided by 1.5
30
0.8 x 0.9
0.72
9.36 ÷ 0.8 = ?
11.7
When solving 438.75 divided by 1000, how does the decimal point move?
3 places to the left
A pencil costs $0.75. Buy 12 pencils. Total cost?
9
5.25 ÷ 0.75 =
7
Apples cost $2.35 per kg. Buy 3 kg. Total cost?
$7.05
36.9 divided by 0.3
123
5478.246 x 10^5
547,824,600
7.6 x 6.5
49.4
A bag of candy weighs 2.4 kg. If each small box holds 0.3 kg, how many boxes can you fill?
2.4÷0.3= 8 boxes
An eraser costs $0.45 and pens cost $1.25. How much do 8 erasers and 3 pens cost?
$7.35
Which is greater: 0.6×0.6 or 0.5×0.7?
0.6 x 0.6
12.3 divided by
10^3
.0123
21.68 x 12
260.16
15.6÷1.2
13
A runner runs 15.5 miles in 5 hours. How many miles does the runner run per hour?
3.1
A runner runs 18.9 miles in 3 hours. How many miles does the runner run per hour?
6.3
1544.8 x 10^0
1544.8
36.24 x 4
144.96
248 divided by 6.2
40
A book costs $2.50. If you have $100, how many books can you buy?
40
A car uses 0.8 gallons of gas per hour. How much gas for 7.5 hours?
6