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Six groups of ten is equal to ones. Four groups of ten, take away two groups of ten 2 5 7 There are ten in a group of ten. One equals ten groups of ten. is equal to 3 groups of ten. Five groups of ten equals ones. 18 equals plus eight. is less than 1 group of ten. equals ones. WORD BANK: 10 Two hundreds and 4 tens is equal to
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