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Illustrative Mathematics: 4.oa Multiples of Nine Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.oa Multiples of Nine

For Teachers 3rd - 5th Standards
This task examines the interesting fact that when a number is divisible by 9 then the sum of its digits is also divisible by 9. Aligns with 4.OA.C.5.
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