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Abacus · Ages 7+ · Set C
Adding to make 100
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C
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Goal: 15 min
Score/ 12
Remember: To make a hundred, the ones make ten and the tens make nine.

Questions

1
True or false? Sixty-three and thirty-six make one hundred.
TrueFalse
2
True or false? Eighty-five and fourteen make one hundred.
TrueFalse
3
Which two numbers make one hundred?
Sixty-three and thirty-sevenTwelve and eighty-sevenFifty-two and forty-nine
4
Which two numbers make one hundred?
Fifty-two and thirty-eightThirty-nine and sixty-oneSeventy-nine and twenty-two
5
True or false? Twelve and eighty-eight make one hundred.
TrueFalse
6
Which two numbers make one hundred?
Seventeen and eighty-threeTwenty-eight and sixty-twoTwelve and eighty-seven
7
True or false? Seventy-nine and twenty-one make one hundred.
TrueFalse
8
True or false? Thirty-four and sixty-five make one hundred.
TrueFalse
9
Which two numbers make one hundred?
Twenty-eight and seventy-oneThirty-four and sixty-fiveForty-one and fifty-nine
10
Which two numbers make one hundred?
Fifty-two and thirty-eightFifty-two and forty-eightTwenty-eight and sixty-two
11
🔟True or false? To make a hundred, the ones make ten together.
TrueFalse
12
True or false? To make a hundred, the tens make nine, and the carry makes ten.
TrueFalse
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