Scholastic
Study Jams! Estimate Sums & Differences of Whole Numbers
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...
Curated OER
Rounding Whole Numbers; Estimating Sums And Differences
For this rounding whole numbers and estimating sums and differences worksheet, students problem solve and calculate the answers to forty two mathematical equations.
Curated OER
Estimating Sums and Differences
In this math worksheet, pupils learn to estimate sums and differences by completing step by step exercises. There is one word problem which is the example, and then students can choose from other estimation activities to do with a partner.