List

Being Resilient - Upper Primary Number

Plants
problem
Favourite

Plants

Age
5 to 14
Challenge level
filled star filled star empty star
Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?
Factors and Multiples Game
game
Favourite

Factors and Multiples Game

A game in which players take it in turns to choose a number. Can you block your opponent?

The Deca Tree
problem
Favourite

The Deca Tree

Age
7 to 11
Challenge level
filled star empty star empty star
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.
Shape Times Shape
problem
Favourite

Shape Times Shape

Age
7 to 11
Challenge level
filled star empty star empty star
These eleven shapes each stand for a different number. Can you use the number sentences to work out what they are?
Spiralling Decimals
game
Favourite

Spiralling Decimals

Take turns to place a decimal number on the spiral. Can you get three consecutive numbers?
Maze 100
problem
Favourite

Maze 100

Age
7 to 11
Challenge level
filled star filled star empty star
Can you go through this maze so that the numbers you pass add to exactly 100?
Factor Lines
problem
Favourite

Factor Lines

Age
7 to 14
Challenge level
filled star filled star empty star
Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.
Two and Two
problem
Favourite

Two and Two

Age
7 to 16
Challenge level
filled star filled star filled star

How many solutions can you find to this sum? Each of the different letters stands for a different number.

More children and plants
problem

More children and plants

Age
7 to 14
Challenge level
filled star filled star filled star
This challenge extends the Plants investigation so now four or more children are involved.
The Dice Train
problem
Favourite

The Dice Train

Age
7 to 11
Challenge level
filled star filled star filled star
This dice train has been made using specific rules. How many different trains can you make?