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Counting Counters

Take a counter and surround it by a ring of other counters that MUST touch two others. How many are needed?

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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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Doplication

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?

Magic Circles

Stage: 2 Challenge Level: Challenge Level:2 Challenge Level:2
Which numbers are on both the blue and red circles?
What does this tell you about the other four numbers?
You could draw the circles and use digit cards to move around the different positions.