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I'm Eight

Find a great variety of ways of asking questions which make 8.

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Calendar Capers

Choose any three by three square of dates on a calendar page. Circle any number on the top row, put a line through the other numbers that are in the same row and column as your circled number. Repeat this for a number of your choice from the second row. You should now have just one number left on the bottom row, circle it. Find the total for the three numbers circled. Compare this total with the number in the centre of the square. What do you find? Can you explain why this happens?

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GOT IT Now

For this challenge, you'll need to play Got It! Can you explain the strategy for winning this game with any target?

Connect Three

Stage: 3 and 4 Challenge Level: Challenge Level:1

For a version of this game that uses dice with just positive numbers, take a look at First Connect Three

After playing the game you may like to take a look at the following problems:

Playing Connect Three
Weights
Consecutive Negative Numbers