compatible numbers are numbers that go together to make a tidy number and go with another number to make a even bigger number from your double
264+446+100= 700
860+240+500=1600
Tuesday, August 21, 2018
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Hi brad, I like how you have included a small blurb about compatible numbers.
ReplyDeleteNext time could you fix capatable numbers to compatible numbers and fix the second equation. I remember a time when I did compatible numbers.
9+10=21
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