Bean bags;Brainteasers

27th August 1999 at 01:00
PUZZLES TO TEST MATHEMATICAL SKILLS -FOR THE ANSWERS TURN TO PAGE 48 32 TES PRIMARY - Age 5-7

* Mary throws three bean bags onto a row of boxes numbered one to four:

* Each bag lands on a number

More than one bag can land on a number

What is the highest score Mary can get?

Find three ways to score 9

What other scores can Mary get?

ANSWERS

Highest score is 12 (3 bags on 4) Mary can score 9 in 3 ways l A (1 bag on1) + (2 bags on 4 ) l B (1 bag on 2) + (1 bag on 3 ) + ( 1 bag on 4 l C (3 bags on 3) Besides 12 and 9, other possible scores are: l THREE (3 bags on 1) l FOUR (2 bags on 1) + (1 bag on 2) l FIVE (2 bags on 1) + (1 bag on 3) (1 bag on 1 ) + (2 bags on 2) l SIX ( 2 bags on 1 + 1 bag on 4 ) or (1 bag on 1 + 1 bag on 2 + 1 bag on 3 ) or ( 3 bags on 2) l SEVEN (1 bag on 1 + 2 bags on 3 ) or (1 bag on1 +1 bag on 2 + 1 bag on 4 ) or (2 bags on 2 +1 bag on 3) l eight (1 bag on 1 + 1 bag on 3 +1 bag on 4 ) or (2 bags on 2 + 1 bag on 4) or (1 bag on 2 + 2 bags on 3) lTEN (1 bag on 2 + 2 bags on 4) l ELEVEN (2 bags on 4 +1 bag on 3)

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