These activities for upper primary children provide opportunities to recognise, extend and explain number patterns. They supplement the tasks in our Number Patterns feature.
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problem
Ip dip
"Ip dip sky blue! Who's 'it'? It's you!" Where would you position yourself so that you are 'it' if there are two players? Three players ...?
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problem
Up and down staircases
One block is needed to make an up-and-down staircase, with one step up and one step down. How many blocks would be needed to build an up-and-down staircase with 5 steps up and 5 steps down?
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problem
Number differences
Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?
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problem
Tables without tens
Investigate and explain the patterns that you see from recording
just the units digits of numbers in the times tables.
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problem
Magic Vs
Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?
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problem
Light the lights again
Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you find the smallest number that lights up all four lights?
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problem
Sticky triangles
Can you continue this pattern of triangles and begin to predict how many sticks are used for each new "layer"?