Unit Plan
Khan Academy: Estimating With Adding Decimals Unit Plan
Khan Academy

Khan Academy: Estimating With Adding Decimals

For Students 4th - 6th Standards
For example, estimate 12.93 + 6.1 to be 19. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Interactive
Ixl Learning: Estimate Sums With Numbers Up to 100,000 Interactive
Quia

Ixl Learning: Estimate Sums With Numbers Up to 100,000

For Students 3rd - 5th
Practice rounding numbers to the nearest ten to estimate the sum.
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