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Math · 3rd Grade (8-9)

Addition & Subtraction — 3rd Grade (ages 8-9)

Practice Addition & Subtraction with curriculum-aligned exercises for 3rd Grade (ages 8-9). The exercises are grouped by sub-topic so kids can work through them in order or skip straight to the area they need.

23 exercises

Topics in this module

Explain and check answers using inverse operations

Estimate sums and differences before calculating

Solve one- and two-step word problems involving 2- and 3-digit numbers

Add and subtract 2-digit and 3-digit numbers using mental strategies

Round numbers to the nearest 10 and 100 for estimation

Three-digit column addition with carrying

Mixed operations up to 9,999

Three-digit subtraction with borrowing

Four-digit column subtraction

Four-digit column addition

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Other modules for this grade

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