x 10, 100, 1,000
Whole # x decimal
Word Problems
Challenge: Decimals by Decimals
100
0.009 x 10
What is 0.09
100
9.8 x 2
What is 19.6?
100
Zach gets an allowance of $10 a week. He saves 0.2 of it. How much does he save each week?
What is $2?
100
0.05 x 4.5
What is 0.225?
200
0.45 x 100
What is 45?
200
0.67 x 8
What is 5.36?
200

A new park will cover 17 acres. The planner will use 0.2 acres for a new basketball court. How much area will he use for the new court?

What is 3.4 acres?

200
8.6 x 0.08
What is 0.688?
300
3.1 x 1,000
What is 3,100?
300
0.457 x 3
What is 1.371?
300

In Ms. Graham's science class, each of the 32 students received 3.4 pounds of sugar for a project. How much sugar did the class use?

What is 108.8 pounds?

300
3.42 x 4.7
What is 16.074?
400
0.062 x 100
What is 6.2?
400
45 x 0.003
What is 0.135?
400

Lila is making scented candles to sell at a school fundraiser.
Each candle uses 0.35 kilograms of wax. She plans to make 14 candles this week.

Later, she decides to make 6 more candles for extra orders.

0.35×14=4.9 kg

0.35×6=2.1 kg

4.9+2.1=7.0 kg

400
9.1 x 11.6
What is 105.56?
500

Multiply each decimal, then find the total sum. Give your final answer in kilograms (kg).

  1. 100.32×10
  2. 1000.045×100
  3. 1.206×1000

What is the total in kilograms?

3.2+4.5+1206=1213.7 kg

500

514 x 0.4

What is 205.6?

500

Anhad bought 12 new books at the book fair. He paid $1.25 for each book. What was his total cost for the books?

What is $15?

500
0.28 x 3.7
What is 1.036?