Use the inverse (or trial and error at first) for doubles/halves to find the answers for the missing boxes in this investigation.
Ideal for World Cup topic work or for a maths starter in Years 5 or 6.
Could even be used as a whole school competition - or as an end of reward.
Feel free to add more boxes for differentiation or change the ratios at the beginning to make it more challenging.
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There is more to this challenge that you would think!
Quick and easy. <br /> <br /> I expanded the difficulty boxes at the bottom to make it reach my highers.
Great puzzle for my Year 5 class. <br /> <br /> Sent it home as a school challenge!
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