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Subtract multiples of 10 from multiples of 10 in the range 10–90

Niveaux : Kindergarten, 1st Grade, 2nd Grade

Matières : Math

Normes : Use place value understanding and properties of operations to add and subtract. (NY-1.NBT.6)

Instructions pour les élèves

1. Listen to the instaraction on each page. 2. Solve it 3. You may record your thinking 4. Submit it to your teacher

Notes pour l'enseignant (non visibles par les élèves)

NY-1.NBT.6 "Subtract multiples of 10 from multiples of 10 in the range 10-90 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 used to a written representation and explain the reasoning."

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Subtract multiples of 10 from multiples of 10 in the range 10–90