A teacher shows her students the division problem 52/15
Then she demonstrates the following strategy based on skip counting: She writes on the board the sequence 15, 30, 45 and the equation 52-46=7. Then she writes 52/15=3 R7. Study the teacher’s approach. Use the same approach to solve both division problem.
a. 85/20
b. 52/15
c. 64/12
ANS: A
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