NRICH: What's it Worth?

There are lots of different methods to find out what the shapes are worth – how many can you find?

Each symbol has a numerical value. The total for the symbols is written at the end of each row and column.

Can you find the missing total that should go where the question mark has been put?

Grid containing symbols.

There’s a lot of information in the grid, so you will need to make some choices about what to focus on first. Click below to see some images that draw your attention to particular parts of the grid.

What can you deduce from each image?

Image 1
 
Image 2
Image 3
Image 4
Image 5
Image 6
Can you find any other ways of solving the problem?
You can apply these strategies to similar problems.
Fruity Totals can be used to generate lots of different examples.

Age 11 to 16


Math Topics
Algebra & Pre-Algebra, Equations
Middle School, High School, Educator
6th Grade, 7th Grade, 8th Grade, 9th Grade, 10th Grade, 11th Grade

What are you looking for?

Organization

NRICH (University of Cambridge)

Website URL

Type of Resource

Challenge

Assigned Categories