Practice · Addition & Subtraction within 1000 — L2 Regrouping by place value: modelling addition and subtraction

Question 1 of 10 · 0 correct so far
Difficulty: Medium
Short answer

278 + 156 = ___ (show the trades)

Fractions like 1 1/2, 9/6 and 3/2 are all accepted where they're equal.

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