What Was in the Box? Games Age 5 to 11 Games primary teachers. Who said that adding couldn’t be fun? Tis Unique Age 11 to 14 Challenge Level: Roll two red dice and a green dice.

What do the digits in the number fifteen add up to? Proof by Logical Argument Age 5 to 11 These tasks are useful contexts in which to explore proof by logical argument. Investigate matrix models for complex numbers and quaternions. Number Here are some exciting activities which use numbers in lots of different ways. What could the half time scores have been in these Olympic hockey matches? Dicey Operations Age 11 to 14 Challenge Level: Tasks for KS2 children which focus on working systematically.

Square Subtraction Age 7 to 11 Challenge Level: Remainders Age 7 to 11 Challenge Level: Register for our mailing list. What probleem the value of YxO?

nrich subtraction problem solving ks2

Tasks for KS1 children which focus on working systematically. If you know the numbers that come out, what addition might be going on in the box? Where Can We Visit? Who said that adding couldn’t be fun? The picture shows a lighthouse and many underwater creatures. How many creatures did he see? Tidying Age 3 to 5 Counting, matching numerals and amounts. Lots to find out, lots to explore. Tom and Ben visited Numberland.


Use the number weights to find different ways of balancing the equaliser. What result would that be? In this article, Jennie suggests that we can support this process in three principal ways.

694 Matches for age 5 to 7 for addition and subtraction whole numbers

Age 5 to 11 Challenge Level: How Do You See It? Subtratcion 7 to In these activities, you can practise your skills with adding and subtracting.

The value of the circle changes in each of the following problems.

nrich subtraction problem solving ks2

What questions would you like to ask? He could then pay any sum of money from 1p to 15p without opening any bag. What’s in a Name?

To support this aim, members of the NRICH team work in a wide range of capacities, including nrihc professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. Choose four different digits from and put one in each box so that the resulting four two-digit numbers add to a total of Eleven Age 11 to 14 Challenge Level: Can sovling work out the sum of the missing digits in this subtraction?


This feature brings together tasks which help to develop learners’ fluency in the context of number and calculation. An environment which simulates working with Cuisenaire rods. Problsm your starting number. How could you arrange at least two dice in a stack so that the total of the visible spots is 18?

Adding and Subtracting :

Can you estimate what the size of the last four numbers will be? The tasks in this collection encourage children to create, recognise, extend and explain number patterns. This dice train has been made using specific rules.