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Third Class maths · I.1 · Add and Subtract to 1,000

Add three-digit numbers with regrouping

Every one needs a trade. 10 ones make 1 ten; 10 tens make 1 hundred.

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  1. 111 + 190 =

    Answer: 301

  2. 178 + 259 =

    Answer: 437

  3. 247 + 107 =

    Answer: 354

Tip: Every one needs a trade. 10 ones make 1 ten; 10 tens make 1 hundred.

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Curriculum

Common Core: 3.NBT.A.2, 3.OA.D.8

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On paper: this skill is in the printable pack Grade 3 Common Core Math: Number and Operations, with an answer key.

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