Are you resilient enough to solve these number problems?
Are you resilient enough to solve these measure problems?
Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?
How many different triangles can you make on a circular pegboard that has nine pegs?
These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?
Use the lines on this figure to show how the square can be divided into 2 halves, 3 thirds, 6 sixths and 9 ninths.
Find out what a Deca Tree is and then work out how many leaves there will be after the woodcutter has cut off a trunk, a branch, a twig and a leaf.
How can you arrange the 5 cubes so that you need the smallest number of Brush Loads of paint to cover them? Try with other numbers of cubes as well.
Can you draw a square in which the perimeter is numerically equal to the area?
Each of the nets of nine solid shapes has been cut into two pieces. Can you see which pieces go together?
Can you go through this maze so that the numbers you pass add to exactly 100?
This dice train has been made using specific rules. How many different trains can you make?
How good are you at estimating angles?
Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?
On the graph there are 28 marked points. These points all mark the vertices (corners) of eight hidden squares. Can you find the eight hidden squares?
Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
This challenge extends the Plants investigation so now four or more children are involved.
These points all mark the vertices (corners) of ten hidden squares. Can you find the 10 hidden squares?
A game in which players take it in turns to choose a number. Can you block your opponent?