Multiply by 10s
Estimate Products
2 by 2 Multiplication
2, 3, or 4 by 1 Multiplication
Word Problems
100
3 x 10
What is 30?
100
The estimate of 18 x 9. (show your work)
What is 180 or 200?
100
11 x 10
What is 110?
100
14 x 3
What is 42?
100
A movie theater has 24 rows of seats, each row has 32 seats. How many seats are in the theater?
What is 768 seats?
200
20 x 30
What is 600?
200
The estimate of 26 x 79. (show your work)
What is 2400?
200
22 x 44
What is 968?
200
354 x 6
What is 2,124?
200
The fourth graders are collecting money for a fundraiser. There are 82 fourth graders and each student collected $54. About how much money did they raise?
What is 80 x 50 = $4,000?
300
25 x 40
What is 1000?
300
The estimate of 42 x 73. (show your work)
What is 2800?
300
62 x 56
What is 3,472?
300
782 x 5
What is 3,910?
300
The PTO bought 16 maple trees for the courtyard. They are going to put them in rows of 4. They paid $26 for each tree. The PTO paid for the trees with five $100 bills. How much change will the PTO get back?
What is $84? 1) 16 x 26 = $416 2) 5 x 100 = 500 3) 500 - 416 = 84
400
400 x 50
What is 20,000?
400
The estimated product is 8100. (give possible factors to get this estimate)
What is 91 x 86?
400
98 x 82
What is 8,036?
400
2,457 x 3
What is 7,371?
400
During a reading contest, the 25 students in Mrs. Miller's class read for 45 minutes each. For the same contest, the 21 students in Mrs. Ross's class read for 48 minutes. There are 4 classes in the fourth grade. How many more minutes did they read than the other class?
What is 117 more minutes? 1) 25 x 45 = 1,125 2) 21 x 48 = 1,008 3) 1,125 - 1,008 = 117
500
2400 x 200?
What is 480,000?
500
The estimated product is 10,000. (give possible factors to get this estimate)
What is 521 x 23?
500
___ 6 (Name the missing numbers) x 5___ 1,500 300 90 18 1,908
What is 3 and 3? 36 x 53?
500
3,404 x 7
What is 23,828?
500
Mr. Fawl collects baseball cards. There are 48 pages in his collector's album. The first 20 pages have 35 cards organized into 5 rows. The rest of the pages each have 54 cards on them. How many cards are in Mr. Fawl's album?
What is 2,212 cards? 1) 35 x 20 = 700 2) 48 - 20 = 28 3) 54 x 28 = 1,512 4) 1,512 + 700 = 2,212 cards
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