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Some rules:
Adding a negative is the same as subtracting a positive (5 + -2 is the same as 5 -2)
Subtracting a negative is the same a adding a positive (5 - -2 is the same as 5 + 2)
The higher the negative, the lower the number (-5 is lower than -2)
Useful Hints:
Positive + negative = negative – e.g. 4 + -4 = 0
Positive + positive = positive – e.g. 4 + 4 = 8
Negative + negative = negative – e.g. -4 + -4 = -8
Positive x positive = positive – e.g. 4 x 4 = 16
Negative x positive = negative – e.g. -4 x 4 = -16
Negative x negative = positive – e.g. -4 x -4 = 16
Positive ÷ positive = positive – e.g. 16 ÷ 4 = 4
Positive ÷ negative = negative – e.g. 16 ÷ -4 = -4
Negative ÷ negative = positive – e.g. -16 ÷ -4 = 4
Related Test:
11 Plus (11+) Maths Practice Test: Negative Numbers (Medium)
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