Grade 3 Estimation Worksheet
Practice estimation skills for Grade 3 math students, including estimating sums, differences, and lengths.
Includes
Standards
Grade 3 Estimation Practice
Name:
Date:
Score:
Read each question carefully and follow the instructions to estimate the answers.
Round each number to the nearest ten.
1. 37 rounded to the nearest ten is .
2. 62 rounded to the nearest ten is .
3. 85 rounded to the nearest ten is .
4. Estimate the sum of 23 + 48 by rounding each number to the nearest ten.
60
70
80
90
5. Estimate the sum of 105 + 293 by rounding each number to the nearest hundred.
300
400
500
600
6. Estimate the difference of 72 - 19 by rounding each number to the nearest ten.
7. Estimate the difference of 412 - 187 by rounding each number to the nearest hundred.
8. When estimating, it is always better to round up.
True
False
9. Look at the number line below. Estimate where the star is located.
The star is approximately at .
10. There are 28 students in one class and 31 students in another class. Estimate the total number of students in both classes.