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Number Round Up

Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.

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Numbers as Shapes

Use cubes to continue making the numbers from 7 to 20. Are they sticks, rectangles or squares?

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Largest Even

How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?

How Odd

Stage: 1 Challenge Level: Challenge Level:2 Challenge Level:2
You might find it useful to have some cubes or a number line, or you could draw your own number line.
How will you make sure you don't forget what you've found out?