If you count from 1 to 20 and clap more loudly on the numbers in the two times table, as well as saying those numbers loudly, which numbers will be loud? This is a game for two players. Can you do it in fewer throws of the dice? Working Backwards at KS1. Age 5 to 7 Challenge Level: Dotty Six is a simple dice game that you can adapt in many ways. Shut the Box Age 5 to 7 Challenge Level:

Register for our mailing list. The tasks in this collection encourage lower primary children to conjecture and generalise. Nim-7 Age 5 to 14 Challenge Level: Ladybirds in the Garden Age 5 to 7 Challenge Level: Can you each work out the number on your card?

These lower primary tasks could all be tackled using a trial and improvement approach.

Ks1 a welcome to school! These upper primary tasks could all be tackled using a trial and improvement approach. Who said that adding couldn’t be fun? Find the Difference Age 5 to 7 Challenge Level: Can you create your own arrangement and investigate the number of circles it needs? How tall was it on Monday? An old game but lots of arithmetic! Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

Look at the nrich of the heads in the nrich and complete the sequence. Balance the scales and work out the problem values of each shape.

Dicey Addition Age 5 to 11 Challenge Level: Coloured spots in a sequence ks1 identify and continue. What numbers of problm spots can you make? Weighted Numbers Age 5 to 7 Challenge Level: Beads and Bags Age 5 to 11 Challenge Level: Use these four dominoes to make a square that has the same number of dots on each side.

## Addition and Subtraction KS1

These lower primary tasks all specifically draw on the use of visualising. How many legs do each of these creatures have?

Now try with a stick of 8 cubes and a stick of 6 cubes. Catrina’s Cards Age 5 to 7 Challenge Level: How many lollies could there problfm been in the bag? What numbers can be made with six beads? She stopped for a rest after writing seventeen digits. Pat counts her sweets in different groups and both times she has some left over.

# Problem Solving :

Age 5 to 7 Challenge Level: Can you each work out the number on your card? Use these head, body and leg pieces to make Robot Monsters which are different heights. Which comes next in each pattern of slving

Frances and Rishi were given a bag of lollies. Work out the weight of each colour Wangdoodle. Can you match the cards? And how do you know you’ve found them all?

Can you lay out the pictures of the drinks in the way described by the clue cards? If you have ten counters numbered 1 to 10, how many can you put into pairs that add to 10?