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Add Hundreds Color by Number — Sleepy Monster

Interactive worksheet with auto-grading, instant feedback, and printable PDF.

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Format
Interactive (Online), Printable (PDF)
Grades
23
Subjects
math
Standards
2.NBT.B.72.NBT.B.8
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What's included

Single worksheet
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Auto-graded
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2 Common Core standards
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About this worksheet

3-Digit Addition by 100's Color by Number rewards every correct answer with another piece of a hidden picture. Students solve each problem, match the answer to the color key, and a hidden picture appears region by region. It builds mental addition of whole hundreds. Built for Grades 2–3 and aligned to 2.NBT.B.7, 2.NBT.B.8. It's no-prep and self-checking, perfect for centers, fast finishers, review days, or sub plans, with both a print-ready PDF and an interactive answer-key version in every download.
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.

2.NBT.B.8

Mentally add 10 or 100 to a given number 100-900, and mentally subtract 10 or 100 from a given number 100-900.

Who it's for

Perfect for the way you teach

Teachers
  • Assign in one click
  • Track progress per student
  • Auto-graded results
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  • Practice at home
  • Print or do on-screen
  • Build skill mastery
Homeschoolers
  • Standards-aligned
  • Self-paced
  • Ready-to-use today
Topics
adding hundredsadd by hundredsplace value additionMonstercolor by number

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