Estimating sums and differences of decimals — Grades 4–5 math review game

4th grade (ages 9–10) - 5th grade (ages 10–11) - Grades 4–6 (ages 9–12)

Math Grades 4–5 — Estimating sums and differences of decimals

Grades 4–5 math review game (ages 9–11): estimating sums and differences of decimals. Instructions are read aloud, and every answer is checked and explained.

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Teaching documentation of the game “Math Grades 4–5 — Estimating sums and differences of decimals”

About this game

Review the goal “Estimating sums and differences of decimals” in Grades 4–5 math (ages 9–11). Its questions ask you to estimate a sum or a difference of decimal numbers.

Review “Estimating sums and differences of decimals”

This review game covers a math goal for grades 4 and 5: “Estimating sums and differences of decimals”. Its questions ask you to estimate a sum or a difference of decimal numbers.

Each round has 10 questions drawn at random: you choose the right answer, or you type it. The numbers change every round. The instructions are read aloud, and a bar shows how far along you are. After each answer, an explanation helps you understand. Hints are free, and you can go back.

The game is for children aged 9 to 11. Play it again for different questions.

Tip for success

Round each number to the nearest whole number, then calculate with the rounded numbers.