- 10 + 10 + 10 + 10 =
_______groups of the number _________ 40 ÷ 10 = ______
- 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 +10 =
_______groups of the number _________ 90 ÷ 10 = ______
- 10 + 10 + 10 + 10 + 10 =
_______groups of the number _________ 50 ÷ 10 = ______
- 10 + 10 + 10 + 10 + 10+ 10+ 10 + 10 =
_______groups of the number _________ 80 ÷ 10 = ______
- 10 + 10 + 10 + 10 + 10 + 10=
_______groups of the number _________ 60 ÷ 10 = ______
- 10 + 10 + 10 + 10 + 10 + 10 + 10 =
_______groups of the number _________ 70 ÷ 10 = ______
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