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Resources tagged with Positive-negative numbers similar to The Patent Solution:

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Broad Topics > Numbers and the Number System > Positive-negative numbers

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Missing Multipliers

Stage: 3 Challenge Level: Challenge Level:1

What is the smallest number of answers you need to reveal in order to work out the missing headers?

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Making Sense of Positives and Negatives

Stage: 3

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

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Playing Connect Three

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

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

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Pair Sums

Stage: 3 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

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

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Adding and Subtracting Positive and Negative Numbers

Stage: 2, 3 and 4

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

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Up, Down, Flying Around

Stage: 3 Challenge Level: Challenge Level:1

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

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Consecutive Negative Numbers

Stage: 3 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

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

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First Connect Three for Two

Stage: 2 and 3 Challenge Level: Challenge Level:2 Challenge Level:2

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.

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First Connect Three

Stage: 2 and 3 Challenge Level: Challenge Level:2 Challenge Level:2

The idea of this game is to add or subtract the two numbers on the dice and cover the result on the grid, trying to get a line of three. Are there some numbers that are good to aim for?

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Strange Bank Account

Stage: 3 Challenge Level: Challenge Level:1

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

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Strange Bank Account (part 2)

Stage: 3 Challenge Level: Challenge Level:1

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

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Negatively Triangular

Stage: 4 Challenge Level: Challenge Level:1

How many intersections do you expect from four straight lines ? Which three lines enclose a triangle with negative co-ordinates for every point ?

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Negative Numbers

Stage: 3

A brief history of negative numbers throughout the ages

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Weights

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

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

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Connect Three

Stage: 3 and 4 Challenge Level: Challenge Level:1

Can you be the first to complete a row of three?

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Vector Racer

Stage: 2, 3 and 4 Challenge Level: Challenge Level:1

The classic vector racing game brought to a screen near you.

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Minus One Two Three

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

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 ?

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The History of Negative Numbers

Stage: 3, 4 and 5

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