Being resilient

If you have ten counters numbered 1 to 10, how many can you put into pairs that add to 10? Which ones do you have to leave out? Why?

In this calculation, the box represents a missing digit. What could the digit be? What would the solution be in each case?

Which two items of fruit could Kate and Sam choose? Can you order the prices from lowest to highest?

Noah saw 12 legs walk by into the Ark. How many creatures did he see?

If you put three beads onto a tens/ones abacus you can make the numbers 3, 30, 12 or 21. What numbers can be made with six beads?

In this activity, shapes can be arranged by changing either the colour or the shape each time. Can you find a way to do it?

What do you notice about these squares of numbers? What is the same? What is different?

In Sam and Jill's garden there are two sorts of ladybirds with 7 spots or 4 spots. What numbers of total spots can you make?

As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?

Tim had nine cards each with a different number from 1 to 9 on it. How could he have put them into three piles so that the total in each pile was 15?