You will need a 0 to 9 spinner or dice. Click here for a template and instructions for making spinners. Alternatively the game can be played by pairs of learners and they will […]
What patterns do you see in them?
Suppose you have to share 9872 gold coins between 8 people.
You give the coins out in thousands until there are less than 8000 left.
Then you give out one hundred at a time until there are less than 800, then […]
You are a detective and you have to discover what digits the question marks stand for. They can be any digit from 0 to 9 and they can be the same digit or different digits.
How will you find the missing digits?
What do you notice?
How many solutions are there to the calculations?
What clues […]
Now for the big challenge. […]
This is a game for two players, a group of 3 or 4 players, or for the whole class. You will need to download and cut out or otherwise make 2 sets of these 24 cards.
Separate the 40 number cards from the 8 operation cards and shuffle them separately to […]
Which total is closest to eleven thousand?
Which pair of numbers has the largest total?
What number would you add to each of these 8 numbers to make eleven thousand?
You might […]
Find the numbers to replace the question marks and check your answers by subtracting to check additions and adding to check subtractions.
The aim of the game is to make a number as close to half a million as possible. Which of the numbers in the table is closest to half a million?
Each player […]
This problem is adapted from the NRICH task A Square of Numbers with permission of the University of Cambridge. All rights reserved.
Using 3 rods of lengths from 1 to 10 units, and not using any rod more than once, you can measure all the lengths in whole units from 1 to 10 units.
For example with rods of lengths 3, 4, and 9 the measurements are:
4 – 3 = 1; 9 – 4 […]