To divide by a two-digit number, we use multiples of the divisor to take away big chunks, then add the chunks to find the quotient. Multiplying the quotient by the divisor checks the answer.
14 blocks · 4 graded
14 blocks · 5 graded
12 blocks · 4 graded
15 blocks · 6 graded
10 blocks · 1 graded
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