Resources tagged with: Positive and negative numbers

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There are 22 NRICH Mathematical resources connected to Positive and negative numbers, you may find related items under The Number System and Place Value.

Broad Topics > The Number System and Place Value > Positive and negative numbers

Making Sense of Positives and Negatives

Age 11 to 14

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

Vector Racer

Age 11 to 16
Challenge Level

The classic vector racing game.

Weights

Age 11 to 14
Challenge Level

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

Adding and Subtracting Positive and Negative Numbers

Age 11 to 14

How can we help students make sense of addition and subtraction of negative numbers?

Sea Level

Age 7 to 11
Challenge Level

The picture shows a lighthouse and many underwater creatures. If you know the markings on the lighthouse are 1m apart, can you work out the distances between some of the different creatures?

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?

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 ?

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?

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?

Connect Three

Age 11 to 16
Challenge Level

In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?

Swimming Pool

Age 5 to 11
Challenge Level

In this problem, we're investigating the number of steps we would climb up or down to get out of or into the swimming pool. How could you number the steps below the water?

Consecutive Numbers

Age 7 to 14
Challenge Level

An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.

Vector Gem Collector

Age 14 to 18
Challenge Level

Use vectors to collect as many gems as you can and bring them safely home!

Being Collaborative - Primary Number

Age 5 to 11
Challenge Level

Number problems at primary level to work on with others.

First Connect Three for Two

Age 7 to 11
Challenge Level

First Connect Three game for an adult and child. Use the dice numbers and either addition or subtraction to get three numbers in a straight line.

Strange Bank Account (part 2)

Age 11 to 14
Challenge Level

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

Up, Down, Flying Around

Age 11 to 14
Challenge Level

Play this game to learn about adding and subtracting positive and negative numbers

Strange Bank Account

Age 11 to 14
Challenge Level

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

Positive about Negative Numbers

Age 5 to 11

In this article for teachers, Liz Woodham describes resources on NRICH that can help primary-aged children get to grips with negative numbers.

The History of Negative Numbers

Age 11 to 18

This article -useful for teachers and learners - gives a short account of the history of negative numbers.

Negative Numbers

Age 11 to 14

A brief history of negative numbers throughout the ages

Pair Sums

Age 11 to 14
Challenge Level

Five numbers added together in pairs produce: 0, 2, 4, 4, 6, 8, 9, 11, 13, 15 What are the five numbers?