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Multiply Greater Numbers by Powers of 10
Estimate Products
Multiply Whole Numbers
Review
Solve Word Problems using Multiplication
100
81 x 10 = ____
What is 810?
100
Estimate the product: 524 x 31.
What is 15,000?
100
78 x 87 = _____
What is 6,786?
100

Maria walked 4.035 kilometers. What is 4.035 written in expanded form?

(4 x 1) + (3 x 0.01) + (5 x 0.001)

100
A zoo has bird cages that each contain 155 birds. There are _____ birds on display in 4​ cages.
What is 620?
200
To find 54x1,000, annex ___ zeros to 54 to form the product 54,000.
What is 3?
200
Estimate: 48 x 416 = ______.
What is 20,000?
200
474 x 18 = _____
What is 8,532?
200

The area of Mammoth Cave National Park is about fifty-two thousand, eight hundred thirty and nineteen hundredths acres. What is this number of acres in standard form?

52,830.19

200
Each rhino at the zoo eats 150 pounds of food per day. Altogether, 14 rhinos​ will eat _____ pounds of food per day.
What is 2,100?
300
The product of 40 x 10 to the 4th power.
What is 400,000?
300
Estimate: 378 x 81 = ______.
What is 32,000?
300

701 x 43 = _____

What is 30,143?

300

Kent completed is homework in 52.752 minutes. WHat is this number rounded to the nearest tenth. 

What is 52.8?

300
Thomas travels a lot to visit his family. He flies​ 2,460 miles each week for 5 weeks. Total, Thomas flies _____ miles to visit his family.
What is 12,300?
400
60 x 100,000 =
What is 6,000,000?
400
Estimate: 692 x 500 = _____.
What is 350,000?
400

765 x 424 = _____

What is 324,360?

400

Which decimal makes the equation true?

4.95 + ___ = 12.1

What is 7.15?

400
Ivan weighs 106 pounds. If a cow weighs 13 times as​ much, it weighs _____ pounds.
What is 1,378?
500
27 x 10 to the power of zero equals ____.
What is 27?
500
Joe buys 19 DVD players for $47 each. He estimates he will spend about _____ total for all DVD players.
What is $1,000?
500

What is the product of 4,643 and 375?

What is 1,741,125?

500

Kayla's dollhouse has 15.15 square feet downstairs and 6.45 square feet upstairs. What is the estimated total area if you round the decimals to the nearest tenth?

What is 21.7?

500

Carlos has 105 buttons. Ramona has twice as many buttons as Carlos. Daniel has 109 times as many buttons as Ramona. They have _____ buttons in all.

What is 11,445?