problem
Domino Sorting
Age
5 to 7
Challenge level
Try grouping the dominoes in the ways described. Are there any left over each time? Can you explain why?
problem
Repeating Patterns
Age
5 to 7
Challenge level
Try continuing these patterns made from triangles. Can you create your own repeating pattern?
problem
Sort them out (1)
Age
5 to 7
Challenge level
Can you each work out the number on your card? What do you notice? How could you sort the cards?
problem
Pairs of Numbers
Age
5 to 7
Challenge level
If you have ten counters numbered 1 to 10, how many can you put into pairs that add to 10? Which ones do you have to leave out? Why?
problem
Dotty Six
Age
5 to 11
Challenge level
Dotty Six is a simple dice game that you can adapt in many ways.
problem
All Change
Age
5 to 7
Challenge level
There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?
problem
Different Sizes
Age
5 to 11
Challenge level
A simple visual exploration into halving and doubling.
problem
What Could \It Be?
Age
5 to 7
Challenge level
In this calculation, the box represents a missing digit. What could the digit be? What would the solution be in each case?
problem
Biscuit Decorations
Age
5 to 7
Challenge level
Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?
problem
Writing Digits
Age
5 to 7
Challenge level
Lee was writing all the counting numbers from 1 to 20. She stopped for a rest after writing seventeen digits. What was the last number she wrote?
problem
One Big Triangle
Age
5 to 7
Challenge level
Make one big triangle so the numbers that touch on the small triangles add to 10.
problem
Butterfly Flowers
Age
5 to 7
Challenge level
Can you find two butterflies to go on each flower so that the numbers on each pair of butterflies adds to the number on their flower?
problem
Ladybirds in the Garden
Age
5 to 7
Challenge level
In Sam and Jill's garden there are two sorts of ladybirds with 7 spots or 4 spots. What numbers of total spots can you make?
problem
Making Sticks
Age
5 to 7
Challenge level
Kimie and Sebastian were making sticks from interlocking cubes and lining them up. Can they make their lines the same length? Can they make any other lines?
problem
Halving
Age
5 to 7
Challenge level
These pictures show squares split into halves. Can you find other ways?
problem
The Tall Tower
Age
5 to 7
Challenge level
As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?
problem
Grouping Goodies
Age
5 to 7
Challenge level
Pat counts her sweets in different groups and both times she has some left over. How many sweets could she have had?