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Abacus · Ages 7+ · Set B
Multiplying by one digit
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B
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Goal: 15 min
Score/ 12
Remember: Multiply the ones, trade up, then multiply the tens.

Questions

1
True or false? Eighteen times four makes forty-two.
TrueFalse
2
Which sum makes a hundred or more?
eighteen times fourfourteen times fivesixty-four times seven
3
Which sum needs a trade in the ones row?
forty-seven times sixforty-one times twotwenty-one times three
4
Which sum does not need a trade in the ones row?
thirty-eight times threefifty-eight times threetwelve times four
5
Which sum makes a hundred or more?
fifteen times sixtwenty-five times eighteleven times seven
6
Which sum needs a trade in the ones row?
thirty-six times seventwelve times fourthirty-two times two
7
Which sum needs a trade in the ones row?
forty-one times twothirty-eight times threetwenty-two times four
8
True or false? Eighteen times four makes four hundred thirty-two.
TrueFalse
9
Which sum needs a trade in the ones row?
twenty-three times threefourteen times fivetwenty-two times four
10
Which sum makes a hundred or more?
twenty-one times threeseventy-five times ninethirty-two times two
11
Which sum needs a trade in the ones row?
nineteen times fiveeleven times sevenforty-one times two
12
True or false? Eleven times seven makes seventy-seven.
TrueFalse
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