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3-Digit Addition (regrouping) Color by Number — Artic Animal Ringed Seal
Interactive worksheet with auto-grading, instant feedback, and printable PDF.
Grades 2–3MathInteractive · Printable
Aligned to2.NBT.B.73.NBT.A.2
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2 Common Core standards
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About this worksheet
3-Digit Addition with Regrouping Color by Number turns a key addition skill into a picture students actually want to finish. Students solve each problem, match the answer to the color key, and a hidden picture appears region by region. Students carry across hundreds, tens, and ones. Built for Grades 2–3 and aligned to 2.NBT.B.7, 3.NBT.A.2. No-prep and self-checking, it's ready for math centers, morning work, early finishers, or homework — and every download includes a print-ready PDF plus an interactive version with the answer key.
Curriculum
Common Core standards covered
2.NBT.B.7
Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.
3.NBT.A.2
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
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