Introducing algebra

The Number Jumbler can always work out your chosen symbol. Can you work out how?

A resource to try once children are familiar with number lines, and they have begun to use them for addition. It could be a good way to talk about subtraction. Leah and Tom each have a number line. Can you work out where their counters will land?

Think of two whole numbers under 10, and follow the steps. I can work out both your numbers very quickly. How?

These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?

Use the information about Sally and her brother to find out how many children there are in the Brown family.

Crosses can be drawn on number grids of various sizes. What do you notice when you add opposite ends?

Can you replace the letters with numbers? Is there only one solution in each case?

Nearly all of us have made table patterns on hundred squares, that is 10 by 10 grids. This problem looks at the patterns on differently sized square grids.