
Year 4 Being curious
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problem
Nine-pin triangles
How many different triangles can you make on a circular pegboard that has nine pegs?
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problem
Nice or nasty
There are nasty versions of this dice game but we'll start with the nice ones...
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problem
Bryony's triangle
Watch the video to see how to fold a square of paper to create a flower. What fraction of the piece of paper is the small triangle?
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problem
Digit discovery
Here is an interesting property about two sets of digits. Can you work out what the digits might be?
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problem
Shapes on the playground
Sally and Ben were drawing shapes in chalk on the school playground. Can you work out what shapes each of them drew using the clues?
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problem
Take your dog for a walk
Use the interactivity to move Pat. Can you reproduce the graphs and tell their story?
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problem
Multiples grid
What do the numbers shaded in blue on this hundred square have in common? What do you notice about the pink numbers? How about the shaded numbers in the other squares?
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problem
Table patterns go wild!
Nearly all of us have made table patterns on hundred squares, that is 10 by 10 grids. This problem looks at the patterns on differently sized square grids.