Calc-a-Hundred

A Maths Starter of The Day

This is a game for two players. Let's call them A and B.

A begins by typing any number into a calculator.

B then multiplies this number by another number, trying to get the answer as close to 100 as possible.

A then multiplies this number by another number, trying to get even closer to 100.

The winner is the first player to make the total equal a hundred point something.

Play the game many times. Can you find a good strategy for winning?

 

 

 

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Keywords: Starter | Arithmetic | Calculator | Decimals | Estimating | Game

  • Nikki, Devon
  • Friday, October 05, 2007
  • "Excellent. A great reminder for kids who have just been investigating what happens when you multiply or divide a number by a value between 0 and 1. Thanks"

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Excellent, I would like to see more like this
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Not for me! I wouldn't use this type of activity.

This starter has scored a mean of 3.0 out of 5 based on 52 votes.

 

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