Estimating Sums and Differences

Curated and Reviewed by Lesson Planet

In this estimation of sums and differences worksheet, 7th graders solve 20 different problems that are related to estimation of numbers. They add or subtract each problem as shown. Then, students estimate the sums and differences for each as a whole number.

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Concepts

addition, carry over, estimation, numbers 3 digit, numbers, plus sign, basic operations, subtraction, whole numbers