Can you fill in this table square? What questions would you like to ask? Half Time Age 5 to 11 Challenge Level: Can you sort out the clues and find the number? Eclipses of the Sun Age 7 to 14 Mathematics has allowed us now to measure lots of things about eclipses and so calculate exactly when they will happen, where they can be seen from, and what they will look like. Can You Do it Too? Swimmers Age 14 to 16 Challenge Level:

Torn Shapes Age 7 to 11 Challenge Level: Can you find any two-digit numbers that satisfy all of these statements? Can you make square numbers by adding two prime numbers together? Counting Cards Age 7 to 11 Challenge Level: Multiply Multiples 3 Age 7 to 11 Challenge Level:

Try out some calculations.

Design an arrangement of display boards in the school hall which fits the requirements of different people. Reach Age 7 to 14 Challenge Level: Can you arrange the sweets so that no sweets of the same colour are next to each other in any direction?

# Time KS2 :

You might like to arrange them in a circle. The planet of Vuvv has seven moons. How accurate can your answer be? Use the interactivity to move Mr Pearson and his dog.

## Working Systematically at KS2

Can you fill in this table square? Some walk along the cliff path at N km an hour, the rest go by car.

Four bags contain a large number of 1s, 3s, 5s and 7s. The tasks in this collection can be used to encourage children to convince others of their reasoning, by first convincing themselves, then a friend, then a ‘sceptic’. Can you put the numbers 1 to 8 into the circles nrch that the four calculations are correct? Register for our mailing list.

Can you create a story that would describe the movement of the man shown on these graphs?

This game is part of our creativity project, which you can read more about here. Square Subtraction Age 7 to 11 Challenge Level: How about the largest possible numbers? Ordered Ways of Working Upper Primary These activities lend themselves to systematic working in the sense that it helps to have an ordered approach. You will need a long strip of paper for this task. Number live Age 7 to 11 Challenge Level: Age 7 to 11 Visualising at KS2 These upper primary tasks all specifically draw on the use of visualising.

Can you place these quantities in order from smallest to largest? Fifteen Cards Age 7 to 11 Challenge Level: She has 24 dominoes in her box and there are spots on them altogether. Is there only one solution in each case? At what time, to the nearest second, does this happen? Can you put is2 numbers 1 to 8 into the circles so that the four nricch are correct?

Can you draw a square in which the perimeter is numerically equal to the area? He could then pay any sum of money from 1p to 15p without opening any bag. Multiples Grid Age 7 to 11 Challenge Level: How many ways can you find to do up all four buttons on my coat? This feature draws together tasks which give learners opportunities to reason for different purposes. Zios and Zepts Age 7 to 11 Challenge Level: Can you use what you’ve found out to predict the number for four red and two green?