This activity focuses on rounding to the nearest 10.

Use five steps to count forwards or backwards in 1s or 10s to get to 50. What strategies did you use?

Find the next two dominoes in these sequences.

In these addition games, you'll need to think strategically to get closest to the target.

Can you work out what shape is made when this piece of paper is folded up using the crease pattern shown?

Have a go at making a few of these shapes from paper in different sizes. What patterns can you create?

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

Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

Try out this number trick. What happens with different starting numbers? What do you notice?

Order these four calculations from easiest to hardest. How did you decide?

Can you spot the mistake in this video? How would you work out the answer to this calculation?

Can you fill in the empty boxes in the grid with the right shape and colour?

Some children were playing a game. Make a graph or picture to show how many ladybirds each child had.

Can you cover the camel with these pieces?

Sort the houses in my street into different groups. Can you do it in any other ways?

Can you complete this jigsaw of the 100 square?

Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

Can you use the numbers on the dice to reach your end of the number line before your partner beats you?

Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

Find a great variety of ways of asking questions which make 8.

"Ip dip sky blue! Who's 'it'? It's you!" Where would you position yourself so that you are 'it' if there are two players? Three players ...?

Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?

Sweets are given out to party-goers in a particular way. Investigate the total number of sweets received by people sitting in different positions.

Which comes next in each pattern of dominoes?

Can you place these quantities in order from smallest to largest?

You'll need to work in a group on this problem. Use your sticky notes to show the answer to questions such as 'how many girls are there in your group?'.

Buzzy Bee was building a honeycomb. She decorated the honeycomb with a pattern using numbers. Can you discover Buzzy's pattern and fill in the empty cells for her?

What patterns can you make with a set of dominoes?

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?

Can you work out the domino pieces which would go in the middle in each case to complete the pattern of these eight sets of three dominoes?

Jack's mum bought some candles to use on his birthday cakes and when his sister was born, she used them on her cakes too. Can you use the information to find out when Kate was born?

On a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?

How many balls of modelling clay and how many straws does it take to make these skeleton shapes?

Four bags contain a large number of 1s, 3s, 5s and 7s. Can you pick any ten numbers from the bags so that their total is 37?

There are three baskets, a brown one, a red one and a pink one, holding a total of 10 eggs. How many eggs are in each basket?

A hundred square has been printed on both sides of a piece of paper. What is on the back of 100? 58? 23? 19?

The Man is much smaller than us. Can you use the picture of him next to a mug to estimate his height and how much tea he drinks?

Ahmed is making rods using different numbers of cubes. Which rod is twice the length of his first rod?

Annie and Ben are playing a game with a calculator. What was Annie's secret number?

These caterpillars have 16 parts. What different shapes do they make if each part lies in the small squares of a 4 by 4 square?

At the beginning of May, Tom put his tomato plant outside. On the same day he sowed a bean in another pot. When will the two be the same height?

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

Complete the squares - but be warned some are trickier than they look!

This is a game for two players. Can you find out how to be the first to get to 12 o'clock?

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.

Choose a symbol to put into the number sentence.