Estimate Sums and Differences: Practice
In this estimating sums and differences activity, learners use estimation to solve two, three, four, and five digit addition and subtraction problems. There are 28 problems to solve.
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Initial Fraction Ideas Lesson 23: Overview
Celebrate young mathematicians' ability to compare, add, and subtract fractions with this math review instructional activity. To demonstrate their newly acquired knowledge, children solve a series of fraction word problems, explaining...
3rd - 6th Math CCSS: Adaptable
Estimating Sums and Differences
Work on rounding, estimating, adding, and subtracting with a helpful math worksheet! Fifth graders study different sets of addition and subtraction problems, and after rounding each number to the leading digit, they estimate what the sum...
4th - 6th Math CCSS: Designed
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Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to decimals....
6th Math CCSS: Designed
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Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this...
4th - 6th Math CCSS: Adaptable