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Question
Use the number line and add the following integers: (−2) + (−8)
Diagram
Solution
On the number line, we start from 0 and move 2 steps to the left to reach point A. Now, starting from A, we move 8 steps to the left to reach point B.
B represents the integer −10.
∴ (−2) + (−8) = −10
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What should be added to −1 to get 10?
Can you give 10 pairs of single digit integers whose sum is zero?
Add without using a number line:
(–13) + (+18)
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(–10) + (+19)
Add without using a number line:
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Find the sum of:
(37) + (–2) + (–65) + (–8)
