Grade 1
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Measurement & Data
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Number & Operations: Base Ten
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Operations & Algebraic Thinking
KAS Math Standard: KY.1.NBT.6
Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences).
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Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences).