Remember: The beads that slide back are taken away. The beads still across stay.
Questions
1
Which one leaves two?
five take away threethree take away threefive take away two
2
Which one leaves one?
two take away onefour take away fourfour take away one
3
Which one leaves three?
five take away twofive take away threefive take away one
4
Which one leaves two?
three take away threethree take away onethree take away two
5
Which one leaves four?
five take away onefour take away fourfive take away five
6
Which one leaves none?
three take away threefour take away onefive take away one
7
True or false? Five take away one leaves none.
TrueFalse
8
Which one leaves none?
two take away twofour take away threefive take away four
9
Which one leaves one?
five take away twofour take away threefour take away four
10
True or false? Three take away two leaves one.
TrueFalse
11
Which one leaves two?
five take away twothree take away threefour take away two
12
Which one leaves none?
five take away fivefour take away onethree take away two
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