Positive and negative numbers

There are 23 NRICH Mathematical resources connected to Positive and negative numbers

list

Being Collaborative - Primary Number

Age

5 to 11

Challenge level

Number problems at primary level to work on with others.

article

Making sense of positives and negatives

This article suggests some ways of making sense of calculations involving positive and negative numbers.

problem

Strange Bank Account (part 2)

Age

11 to 14

Challenge level

Investigate different ways of making Â£5 at Charlie's bank.

problem

Strange Bank Account

Age

11 to 14

Challenge level

Imagine a very strange bank account where you are only allowed to do two things...

problem

Weights

Age

11 to 14

Challenge level

Different combinations of the weights available allow you to make different totals. Which totals can you make?

problem

Sea Level

Age

7 to 11

Challenge level

The picture shows a lighthouse and some underwater creatures. Can you work out the distances between some of the different creatures?

problem

Tug Harder!

Age

7 to 11

Challenge level

In this game, you can add, subtract, multiply or divide the numbers on the dice. Which will you do so that you get to the end of the number line first?

problem

Minus One Two Three

Age

14 to 16

Challenge level

Substitute -1, -2 or -3, into an algebraic expression and you'll get three results. Is it possible to tell in advance which of those three will be the largest ?

problem

Consecutive negative numbers

Age

11 to 14

Challenge level

Do you notice anything about the solutions when you add and/or subtract consecutive negative numbers?

problem

First Connect Three

Age

7 to 11

Challenge level

Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?

Or search by topic

Number and algebra

Geometry and measure

Probability and statistics

Working mathematically

Advanced mathematics

For younger learners

Positive and negative numbers

Being Collaborative - Primary Number

Making sense of positives and negatives

Strange Bank Account (part 2)

Strange Bank Account

Weights

Sea Level

Tug Harder!

Minus One Two Three

Consecutive negative numbers

First Connect Three