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Cuisenaire Rods

These squares have been made from Cuisenaire rods. Can you describe the pattern? What would the next square look like?

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We can arrange dots in a similar way to the 5 on a dice and they usually sit quite well into a rectangular shape. How many altogether in this 3 by 5? What happens for other sizes?

Sums and Differences 2

Stage: 2 Challenge Level: Challenge Level:1
Begin by finding the sum and difference of the numbers you have chosen.
Then find the sum and difference of the new numbers.

It might be helpful to record your findings in a table like this:

1st number 2nd number Sum Difference Sum Difference
24 31 55 7 62 48
14 20 34 6 40 28

Look carefully across each row. Can you see a pattern?