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Dicey Operations
In these addition and subtraction games, you'll need to think strategically to get closest to the target.
In these addition and subtraction games, you'll need to think strategically to get closest to the target.
I'm thinking of a number. My number is both a multiple of 5 and a multiple of 6. What could my number be?
Some of the numbers have fallen off Becky's number line. Can you figure out what they were?
Imagine we have four bags containing a large number of 1s, 4s, 7s and 10s. What numbers can we make?
It's easy to work out the areas of most squares that we meet, but what if they were tilted?