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Regrouping 21 ones are regrouped as 1 ten and 2 ones
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Regrouping 21 ones are regrouped as 1 ten and 2 ones
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May 12, 2017
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Regrouping 21 ones are regrouped as 1 ten and 2 ones
Mathematics
middle-school
Nebenmir
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2 tens equal 20 and 1 = 21
Hal
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May 13, 2017
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Hal
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3
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Regrouping 21 ones are regrouped as
2
tens and
1
ones.
10
10
01
---
21
Ladookie
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May 19, 2017
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Ladookie
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