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Subtract Tens Color by Number — Hippo with heart-shaped ears
Interactive worksheet with auto-grading, instant feedback, and printable PDF.
Grades 1–2MathInteractive · Printable
Aligned to1.NBT.C.62.NBT.B.5
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2 Common Core standards
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About this worksheet
2-Digit Subtraction by 10's Color by Number turns a key subtraction 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. It builds mental subtraction of whole tens. Built for Grades 1–2 and aligned to 1.NBT.C.6, 2.NBT.B.5. 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
1.NBT.C.6
Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences), 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 and explain the reasoning used.
2.NBT.B.5
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
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