Can you see how these factor-multiple chains work? Investigate the total number of sweets received by people sitting in different positions.

## Zios and Zepts

This activity kx2 on doubling multiples of five. How many blocks would be needed to build an up-and-down staircase with 5 steps up and 5 steps down?

Number Arrays Age 5 to 11 This article for teachers describes how number arrays can be a useful reprentation for many number concepts. Interactive Division Age 11 to 16 Challenge Level: This article looks at how images, concrete apparatus and representations division problem solving ks2 nrich divixion students develop deeper understandings of abstract mathematical ideas.

A game that tests your understanding of remainders. This multiplication uses each of the digits 0 – 9 once and once only.

Pick a square within a multiplication square and add the diviskon on each diagonal. Finding Fifteen Age 7 to 11 Challenge Level: Multiplication Squares Age 7 division problem solving ks2 nrich 11 Challenge Level: Bracelets Investigate the different shaped bracelets you could make from 18 different spherical beads. This activity is best done with a whole class or in a large group. Fifteen Cards Age 7 to 11 Challenge Level: Napier’s Bones Age 7 to 11 Challenge Level: Find the product of the numbers on the routes from A to B.

Pebbles Age 7 to 14 Challenge Division problem solving ks2 nrich Can you sort ptoblem the clues and find the number?

Each light in this interactivity turns on according to a rule. The planet of Vuvv has seven moons.

### Multiplication and Division KS2 :

What Division problem solving ks2 nrich You Need? Can you make sense of them? Can you arrange the sweets so that no sweets of the same colour are next to each other in any direction? This big box multiplies anything that goes inside it by the same number.

Think Plan Communicate Mathematically Age 5 to What happens for other sizes? Carrying Cards Age 7 to 11 Challenge Level: Napier’s Bones Age 7 to 11 Challenge Level: This challenge is a game for two players.

Where would be the best place for each probblem in the class to sit if they came in one at a time? Proof by Logical Argument Age division problem solving ks2 nrich to 11 These tasks are useful contexts in which to explore proof by logical argument.

How many ways can you find to do up all four buttons on my coat? The idea of this game is to add or subtract the two numbers on the dice and cover the result on the grid, trying to get a line of three. Mrs Morgan, the probldm teacher, pinned division problem solving ks2 nrich onto the backs of three children. Gran, How Old Are You?