Unit 5 – Multiplication and division
Solve these problems. (a) 30 books are arranged into 10 equal piles. How many books in each pile? (b) 30 books are arranged into 5 equal piles. How many books in each pile? (c) 30 books are arranged into 3 equal piles. How many books in each pile?
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Use counters or other small objects to represent these divisions as equal sharing. 24 ÷ 2 24 ÷ 4 20 ÷ 4 20 ÷ 10 20 ÷ 5 Write about any connections you notice.
Use the following keys only on a calculator. How many division calculations can you make with whole number answers between 1 and 10? List them. You can use addition to make some different numbers to divide e.g. 5 + 2 + 1 = 8, then 8 ÷ 2 = 4
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