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Can you design a new shape for the twenty-eight squares and arrange the numbers in a logical way? What patterns do you notice?
Writing Digits
Lee was writing all the counting numbers from 1 to 20. She stopped for a rest after writing seventeen digits. What was the last number she wrote?
Age 5 to 11 Challenge Level:
Have a look at this photo of some peaches:
How many?
How did you count them?
Now take a look at this picture of oranges:
How many?
How did you count them?
And one last photo:
How many this time?
How did you count?
This task was inspired by Christopher Danielson's tweets. You can follow Christopher on Twitter here.
How many?
How did you count them?
Now take a look at this picture of oranges:
How many?
How did you count them?
And one last photo:
How many this time?
How did you count?
This task was inspired by Christopher Danielson's tweets. You can follow Christopher on Twitter here.
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.