LI. To make numbers By making tidy number Today we learned about tidy numbers Example: 11 + 15 =/ The nearest tidy number is 20 You take 5 from the 11 and put it in 15 Which is 20 and add the 6 in to 20 = 26.
I didn't know what tidy numbers mean but know I do.
10 20 30 40 50 60 70 80 90 Tidy Numbers
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