Estimating Products
Practice estimating products of multi-digit numbers using rounding strategies for Grade 5.
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Estimating Products
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Read each question carefully and follow the instructions. Remember to estimate by rounding each factor to its greatest place value before multiplying.
1. When estimating products, we first each factor to its greatest place value.
2. Estimating helps us find an answer, not an exact one.
3. To round 47 to the nearest ten, you would round it to .
4. To round 321 to the nearest hundred, you would round it to .
5. Which of the following is the best estimate for 38 x 52?
1500
2000
2500
3000
6. Estimate the product of 192 and 4. What is the closest answer?
400
800
1000
1200
7. Estimate the product: 63 x 29
8. Estimate the product: 412 x 7
9. Estimate the product: 87 x 103
10. The estimated product of 78 and 6 is 420.
True
False
11. If you round 245 to 200 and 9 to 10, the estimated product is 2000.
True
False
12. A school has 37 classrooms. If each classroom has approximately 28 students, estimate the total number of students in the school.
13. A baker makes about 125 cookies each day. Approximately how many cookies does the baker make in 5 days?