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### Number and algebra

### Geometry and measure

### Probability and statistics

### Working mathematically

### For younger learners

### Advanced mathematics

# Different Deductions

*If you are a teacher, click here for a version of the problem suitable for classroom use, together with supporting materials. Otherwise, read on...*

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**Can you find any other ways of solving the problem?**
*You may be interested in the other problems in our Reflecting on Methods, Improving Solutions Feature.*

Or search by topic

Age 7 to 11

Challenge Level

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?**

There is 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?**

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You can apply these strategies to other versions of the problem. You could use the interactivity Fruity Totals to generate lots of different examples and to practise your strategies.