Give your students the practice they need to master estimating sums using rounding strategies! These printable worksheets help students strengthen mental math skills by rounding two-digit numbers to the nearest ten, then adding the rounded values to estimate the total.

Each page includes six rounding + addition estimation problems with two-digit numbers, presented in a consistent format so students can focus on learning the skill.

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This resource is perfect for:
✔ Math warm-ups
✔ Independent practice
✔ Homework
✔ Intervention groups
✔ Math centers
✔ Sub plans