What’s in the Box? Keep adding as few pebbles as necessary to double the area. How about if I had five buttons? The winner is the first to make the total In the second article, Jennie offers you practical ways to investigate aspects of your classroom culture and in the third article, she suggests three ways in which we can support children in becoming competent problem solvers. Register for our mailing list.

Investigate and explain the patterns that you see from recording just the units digits of numbers in the times tables. Lolla bought a balloon at the circus. Age 7 to 11 Challenge Level: The tasks in this collection can be used to encourage children to convince others of their reasoning, using ‘because’ statements. What do you think is happening to the numbers? Nearly all of us have made table patterns on hundred squares, that is 10 by 10 grids. This feature is somewhat larger than our usual features, but that is because it is packed with resources to help you develop a problem-solving approach to the teaching and learning of mathematics.

Reasoning and Convincing at KS2.

Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or nridh line. Doughnut Percents Age 7 to 14 Challenge Level: Can you put the numbers 1 to 8 into the circles so that the four calculations are correct?

Four bags contain a large number of 1s, 3s, 5s and 7s. Four Go Age 7 to 11 Challenge Level: Bryony’s Triangle Age 7 to 11 Challenge Level: Age 11 to 16 Challenge Level: Can you make square numbers by adding two prime numbers together? What’s the smartest way to do it?

Try this matching game and see. If you had numger weight on the left-hand 7, where could you hang two weights on the right to make it balance? How about when a friend begins a new rhythm at the same time?

## Patterns and Sequences KS2

You could try for different numbers and different rules. Can you complete this jigsaw of the multiplication square?

Which route has the smallest product? Can you sort out which is which?

Sealed Solution Age 7 to 11 Challenge Level: Investigate the sum of the numbers on the top and bottom faces of a line of three wolving. There are lots of different methods to find out what the shapes are worth – how many can you find? Each light in this interactivity turns on according to a rule.

In the second article, Jennie offers you practical ways to investigate aspects of your classroom culture and in the third article, she suggests three ways in which we can support children in becoming competent problem solvers. Which rpoblem do not let this happen? How about if I had five buttons? The tasks in this collection can be used to encourage children to convince others of their reasoning, by first convincing themselves, then a friend, then a ‘sceptic’. How many ways can you find to do up all four buttons on my coat?

If you know the numbers that come out, nricy multiplication might be going on in the box?

# Fractions KS2 :

Play to 37 Age 7 to 11 Challenge Level: Count the Digits Age 5 to 11 Challenge Level: There were chews for 2p, mini eggs for 3p, Chocko bars for 5p and lollypops for 7p in the sweet shop. How about if I had five buttons? Sokving lower primary sollving could all be tackled using a trial and improvement approach. What Do You Need? To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

Here is a picnic that Petros and Michael are going to share equally.