Once you have tried the main activities in our Number Facts Feature, why not have a go at these?
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Sealed Solution
Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?
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Three Dice
Investigate the sum of the numbers on the top and bottom faces of a line of three dice. What do you notice?
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Number match
A task which depends on members of the group noticing the needs of others and responding.
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Spiralling Decimals
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
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Forgot the Numbers
On my calculator I divided one whole number by another whole number and got the answer 3.125. If the numbers are both under 50, what are they?
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Reach 100
Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.
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Consecutive Numbers
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.