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Abacus · Ages 7+ · Set B
Adding a column of numbers
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B
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Goal: 15 min
Score/ 12
Remember: Keep the total so far on the frame, and add the next number on top.

Questions

1
🤝True or false? When adding a column, friendly pairs that make ten are quick to add.
TrueFalse
2
Which two numbers make a friendly ten?
Two and fiveFour and sevenFour and six
3
Which two numbers make a friendly ten?
Two and sevenTwo and eightTwo and nine
4
True or false? Four and eight make ten.
TrueFalse
5
Which two numbers make a friendly ten?
Four and fourFour and fiveOne and nine
6
Which two numbers make a friendly ten?
Six and sevenFour and fiveFive and five
7
True or false? Five and six make ten.
TrueFalse
8
True or false? When adding a column, a column can have only two numbers.
TrueFalse
9
Which two numbers make a friendly ten?
Four and sevenSix and sevenThree and seven
10
True or false? Five and nine make ten.
TrueFalse
11
True or false? One and four make ten.
TrueFalse
12
True or false? Four and seven make ten.
TrueFalse
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