Examples, solutions, and videos to teach Grade 3 students how to estimate sums by rounding and by compatible numbers.
Rounding to Estimate Sums
Estimate Sums
How to estimate sums, by using “Compatible” numbers, and by Rounding?
Estimating Addition and Subtraction Problems
This video explains how to round whole numbers to estimate addition and subtraction problems.
| Check out our most popular games! | ||
|---|---|---|
![]() Fraction Concoction |
![]() Fact Family Game |
![]() Number Bond Garden |
![]() Online Addition Subtraction Game |
![]() Penguin Solitaire |
![]() Sawayama Solitaire |
![]() Ark Solitaire |
![]() Eldritch Invasion |
![]() Shenzhen Solitaire |
Check out more Solitaire games here.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.