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Rectangles with Dominoes

Can you make a rectangle with just 2 dominoes? What about 3, 4, 5, 6, 7...?

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Chain of Changes

Arrange the shapes in a line so that you change either colour or shape in the next piece along. Can you find several ways to start with a blue triangle and end with a red circle?

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Making Shapes

Arrange any number of counters from these 18 on the grid to make a rectangle. What numbers of counters make rectangles? How many different rectangles can you make with each number of counters?

Poly Plug Rectangles

Stage: 1 Challenge Level: Challenge Level:1
What do you know about rectangles?
Where could the rectangle go?  How do you know?
Where can't the rectangle go?  How do you know?