Positive and negative numbers

game
Favourite

Vector gem collector

Age

14 to 18

Challenge level

Use vectors to collect as many gems as you can and bring them safely home!
list
Being collaborative - Primary number

Age

5 to 11

Challenge level

Number problems at primary level to work on with others.
game

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.
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.
game
Favourite

Up, down, flying around

Age

11 to 14

Challenge level

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

Vector racer

Age

11 to 16

Challenge level

The classic vector racing game.
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?