Examples, solutions, videos, stories, and songs to teach Grade 3 students how to estimate difference.
The following diagram shows how to decompose fractions using area models to show equivalence. Scroll down the page for more examples and solutions.
Estimating Sums and Differences
Estimating Sums and Differences
Estimating Addition and Subtraction Problems
This video explains how to round whole numbers to estimate addition and subtraction problems.
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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