Mental calculations
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problemNumber round up
Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.
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problemThe Brown family
Use the information about Sally and her brother to find out how many children there are in the Brown family.
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problemThe tall tower
As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?
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problemMultiplication tables - matching cards
Practise your tables skills and try to beat your previous best score in this interactive game.
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problemStrike it out
Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.
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problemHow do you see it?
Here are some short problems for you to try. Talk to your friends about how you work them out.
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problemOrdering cards
This problem is designed to help children to learn, and to use, the two and three times tables.