Q1
5 + (-3) equals:
A2
B8
C-8
D-2
CBSEClass 6 (CBSE)MathematicsCh 10 · Topic 2
Operations with Integers
Learning to add and subtract positive and negative numbers (integers).
Core concept
For example, 5 + (-3) is the same as 5 - 3 = 2 (moving 3 steps left from 5); and 3 - (-2) is the same as 3 + 2 = 5 (the two negatives effectively cancel to become a positive, moving right). Mastering these integer operation rules is essential preparation for algebra in later classes, where negative numbers and their operations appear constantly in solving equations and working with coordinates.
Exam highlight
Key diagram
- Show a number line demonstrating addition and subtraction of integers with jumps.
Keywords worth remembering
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Study resources
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Quick notes
• Adding a positive number moves right on a number line; adding a negative moves left.
• Adding a negative number is equivalent to subtracting its positive value.
• Subtracting a negative number is equivalent to adding its positive value.
• Mastering integer operations prepares students for algebra in later classes.