Place Value Fractions
What is 0.1 × 10?
1
3.4 × 10 = ?
34
80 x 0.2
16
Each pencil costs $0.50. How much for 4 pencils?
$2.00
Estimate: 5.9 × 0.2
About 1.2
How many tenths are in 0.7 × 10?
7
6.28 × 102 = ?
628
4.6 × 0.3
1.38
A banana weighs 0.4 lb. What’s the total weight of 6 bananas?
2.4 lb
Estimate: 7.8 × 0.3
About 2.4
Multiply 0.4 × 100
40
0.47 × 103 = ?
470
2.5 × 0.45
1.125
A movie ticket costs $8.25. How much for 3.5 tickets?
$28.88
Estimate: 6.3 × 4.8
About 30
How many hundredths are in 0.09 × 100?
9
5.28 x 100 = ?
5.28
9.08 × 0.7
6.356
A recipe calls for 0.75 cups of sugar per cake. How much for 5 cakes?
3.75 cups
Estimate: 0.49 × 8.7
About 4
What happens to the decimal when you multiply by 1,000?
It moves 3 places to the right
Explain: Why does multiplying by 0.1 make a number smaller?
Because 0.1 is less than 1, it’s one-tenth of the number.
12.3 × 0.09
1.107
A farmer sells 2.8 pounds of apples for $1.60 per pound. What’s the total cost?
$4.48
Estimate: 12.9 × 0.89
About 12