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