Age 5 to What could my number be? Irrational Arithmagons Age 16 to 18 Challenge Level: Can you order the digits from to make a number which is divisible by 3 so when the last digit is removed it becomes a 2-figure number divisible by 2, and so on? How tall was it on Monday? Use the interactivity to help you find out how many cloves of garlic they might have had.

What’s All the Talking About? Age 5 to 11 The tasks in this feature encourage learners to become fluent with times tables, but with a difference Multiplication Squares Age 7 to 11 Challenge Level: 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. Can you stop your partner from being able to go?

Difficulties with Division Age 5 to 11 This article for teachers looks at how teachers can use problems from the NRICH site to help them teach division. What happens when you enter different numbers? What Do You Need?

Multiplication and Division KS2 :

Nearly all of us have made table patterns on hundred squares, that is 10 by 10 grids. Have a go at balancing this equation.

What is the smallest number of answers you need to reveal in order to work out the missing headers? This activity is best done with a whole class or in a large group. If you know the numbers that come out, what multiplication might be going on in the box? Age 5 to 11 The tasks in this feature encourage learners to become fluent with times tables, but with a difference Investigate the different numbers of people and rats there could have been if you know how many legs there are altogether!

Birthday Sharing Age 5 to 7 Challenge Level: Will you be the first to reach the target? Always, Sometimes or Never? Does the pattern continue?

Multiplication and Division KS2

The tasks in this feature encourage learners to become fluent with times tables, but with a difference Yasmin and Zach have some bears to share. The planet of Vuvv has seven moons. Doplication Age 7 to 11 Challenge Level: What do you notice? Strolling Along Age 14 to 18 Challenge Level: Triangle Numbers Age 11 to 14 Challenge Level: What happens when you add the digits of a number then multiply the result by 2 and you keep doing this? Multiplication and Division These tasks will help you to think about multiplication and division.

Tom and Ben visited Numberland. Proof by Logical Argument Age 5 to 11 These tasks are useful contexts in which to explore proof by logical argument. Age 7 to 14 Challenge Level: On Friday the magic plant was only 2 centimetres tall. Pick a square within a multiplication square pfoblem add the mulgiplication on each diagonal. What is the sum of the denominator and numerator? How do they compare if you use 24 beads?

Flashing Lights Age 7 to 11 Challenge Level: In the multiplication calculation, some of the digits have been replaced by letters and others by asterisks.

Journeys in Numberland Age 7 to 11 Challenge Level: Can you find the factors? These eleven shapes each stand for a different number.

How Odd Age 5 to 7 Challenge Level: How would you find out how many football cards Catrina has collected?