Negative numbers show how maths can go below zero. In 11 Plus Maths, they appear in temperature, money, and real-life scenarios involving gains and losses.
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Numbers to the left of zero are negative, but numbers to the right of zero are positive. As you move to the right along the number line, the numbers increase in size, but as you move to the left along the number line, the numbers decrease in size. In this case -3 is to the left of 3, so -3 < 3
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In this case -4 is to the left of -3, so -4 < -3
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Any number below zero is written with a minus sign in front of it
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In this case -8 is to the right of -10, so -8 > -10
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In this case 0 is to the right of -1, so 0 > -1
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Adding six means that you move to the right by six units: this brings you to 2
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Subtracting six means that you move to the left by six units: this brings you to -8
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Subtracting 5 means that you move to the left by 5 units: this brings you to 0. adding 4 means that you move to the right by 4 units: this brings you to 4. Subtracting 8 means that you move to the left by 8 units: this brings you to -4
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Subtracting 3 means that you move to the left by 3 units: this brings you to -2. adding 7 means that you move to the right by 7 units: this brings you to 5. Subtracting 4 means that you move to the left by 4 units: this brings you to 1: you are back where you started!
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Subtracting 6 means that you move to the left by 6 units: this brings you to -9. adding 9 means that you move to the right by 9 units: this brings you to 0. Subtracting 6 means that you move to the left by 6 units: this brings you to -6
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