Year 4 Being curious
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problemNine-pin triangles
How many different triangles can you make on a circular pegboard that has nine pegs?
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problemNice or nasty
There are nasty versions of this dice game but we'll start with the nice ones...
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problemDigit discovery
Here is an interesting property about two sets of digits. Can you work out what the digits might be?
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problemShapes 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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problemTake your dog for a walk
Use the interactivity to move Pat. Can you reproduce the graphs and tell their story?
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problemMultiples 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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problemTable 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.
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problemLight the lights again
Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you work out the rule for each light?