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Abacus · Ages 7+ · Set C
Multiplying by ten
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Goal: 15 min
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Remember:
Times ten moves every bead up one row.
Questions
1
Nine times ten makes which total?
eight
eight hundred
ninety
2
Eight times ten makes which total?
eight hundred
eighty
forty
3
Six times ten makes which total?
forty
sixty
seven
4
Four times ten makes which total?
forty
eight hundred
six hundred
5
Five times ten makes which total?
fifty
sixty
six hundred
6
Is four hundred the total of nine times ten?
Yes
No
7
Is nine the total of seven times ten?
Yes
No
8
Is eight hundred the total of five times ten?
Yes
No
9
Is six hundred the total of five times ten?
Yes
No
10
Seven times ten makes which total?
seventy
four hundred
four
11
Is nine hundred the total of five times ten?
Yes
No
12
Is nine hundred the total of seven times ten?
Yes
No
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