Page 51 - NUMINO Challenge_B1
P. 51
Creative Thinking
1 Aaron and Jack are throwing balls into a box. They can throw 1 to 3
balls on each turn. The person who throws the 22nd ball into the box
wins on his first turn. How many balls should Aaron throw in order to
win? (Assume that all balls get thrown into the box.)
2 John and Tyler are playing a game with baseballs. They can take 1 to 7
balls on each turn. The player who takes the last ball wins. If there are
40 baseballs in total, and John takes 2 balls first, how can Tyler win?
Explain.
48 NUMINO Challenge B1
1 Aaron and Jack are throwing balls into a box. They can throw 1 to 3
balls on each turn. The person who throws the 22nd ball into the box
wins on his first turn. How many balls should Aaron throw in order to
win? (Assume that all balls get thrown into the box.)
2 John and Tyler are playing a game with baseballs. They can take 1 to 7
balls on each turn. The player who takes the last ball wins. If there are
40 baseballs in total, and John takes 2 balls first, how can Tyler win?
Explain.
48 NUMINO Challenge B1