Cheetah Math by Ann Whitehead Nagda

Author:Ann Whitehead Nagda
Language: eng
Format: epub
ISBN: 9781466867253
Publisher: Henry Holt and Co. (BYR)

7 × 10 = 70

When you subtract 70 days from the total of 105 days, you are left with 35 days.

105 - 70 = 35

Now you need to find out how many groups of 7 days are in 35 days. Count up by 7’s: 7, 14, 21, 28, 35.

7 × 5 = 35

So there are 5 equal groups of 7 days in 35 days. To find out the total number of weeks, you need to add the two results together.

10 WEEKS + 5 WEEKS = 15 WEEKS

Since there are 15 equal groups of 7 days each, the cheetah cubs were 15 weeks old when they stopped drinking milk.

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