Grade 8 Estimation Worksheet
A Grade 8 math worksheet focusing on various estimation techniques and applications, including rounding, compatible numbers, and estimating solutions to problems.
Includes
Standards
Topics
Grade 8 Estimation Practice
Name:
Date:
Score:
Read each question carefully and use estimation strategies to find the approximate answer. Show your work or explain your reasoning where required.
1. Which of the following is the best estimate for 39.8 × 5.1?
150
200
250
300
2. Estimate the sum of 123.45 + 67.89 by rounding each number to the nearest ten. The estimated sum is .
3. Using compatible numbers, estimate the quotient of 478 ÷ 8. The estimated quotient is .
4. A car travels at an average speed of 62 miles per hour. Approximately how far will it travel in 3.5 hours? Explain your estimation strategy.
5. When estimating the product of two numbers, rounding both numbers up will always result in an overestimate.
True
False
6. Plot and label the approximate position of √50 on the number line below. Explain how you estimated its position.
Match each problem with the most appropriate estimation strategy.
7. Estimating the total cost of groceries.
a. Rounding to the nearest dollar
8. Estimating how many times a 7-foot rope fits into a 50-foot distance.
b. Using compatible numbers
9. Estimating the sum of 2.9 + 5.1 + 8.8.
c. Front-end estimation
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