How could you sort the cards? Writing Digits Age 5 to 7 Challenge Level: How many different ways can you do this? Register for our mailing list. The upper primary tasks in this collection could each be solved by working backwards. An investigation involving adding and subtracting sets of consecutive numbers. Always, Sometimes or Never?

Tasks for KS1 children which focus on working systematically. Can you convince us that you have found them all? Which will you do so that you get to the end of the number line first? Try out some calculations. Addition and Subtraction KS2. Register for our mailing list. Talk to your friends about how you work them out.

Choose four of the numbers from 1 to 9 to put in the squares so that the differences between joined squares are odd. How could you sort the cards?

Can you find a pair of numbers that has four odds between them? Amy’s Dominoes Age 7 to 11 Challenge Level: Can you go through this maze so that the numbers you pass add to exactly ? Which labels would you put on each row and column?

Robot Monsters Age 5 to 7 Challenge Level: Explore Alex’s number plumber. Can you put the numbers 1 to 8 into the circles so that the four calculations are correct? Can you use the information to find out when Kate was born?

Age 5 to 11 Challenge Level: What’s All the Talking About? Register for our mailing list. What are all the different possible answers? Even and Odd Age 5 to 7 Challenge Level: Maths Story Time Age 3 to 5 Telling a story to provoke mathematical discussion, language and reasoning.

# Addition and Subtraction KS1 :

Katie had a pack of 20 cards numbered from 1 to Writing Digits Age 5 to 7 Challenge Level: Dicey Addition Age 5 to 11 Challenge Level: Number Pyramids Age 11 to 14 Challenge Level: KS1 Age 5 to 7 Challenge Level: How could you put these three beads into bags? How many different ways can you find to join three equilateral triangles together? 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.

As you come down the ladders of the Tall Tower you collect useful spells. Getting the Balance Age 5 to 7 Challenge Level: Two Dice Age 5 to 7 Challenge Level: Domino Sorting Age 5 to 7 Challenge Level: Can you use the information to find out which cards I have used?

## Adding and Taking Away

Can you stop your partner from being able to go? Catrina’s Cards Age 5 to 7 Challenge Level: If you know the numbers that come out, what addition might be going on in the box?

Register for our mailing list. Altogether there were 8 heads and 22 feet. Can you work out how to balance this equaliser?