Grade 6 · Math · Unit 2 of 13
Adding and Subtracting Integers
Positive, negative and zero
What your child practises
Using a number line to add and subtract positive and negative integers, additive inverses, comparing integers and winter temperature changes.
Alberta Curriculum learning outcome: 6N1.2, 6N1.3 · adding and subtracting integers, opposites that add to zero, and comparing integers
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
Subtract.
−1 − 10 = ?
answer box
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-11
Hint: Subtracting a number is the same as adding its opposite.
Question 2
At 6 a.m. in Edmonton it is −14°C. By noon the temperature drops 10°C. What is it at noon, in °C?
answer box°C
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-24 °C
Hint: Dropping means subtracting. Count down from the starting temperature.
Question 3
What number added to 3 makes 0?
answer box
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-3
Hint: The additive inverse is the opposite number: the two add to zero.
Question 4
Add.
10 + 3 = ?
answer box
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13
Hint: Use a number line. Adding a positive moves right, adding a negative moves left.
Question 5
Add.
6 + (−3) = ?
answer box
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3
Hint: Use a number line. Adding a positive moves right, adding a negative moves left.
Question 6
How many steps along a number line from −9 to 1?
answer box
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10
Hint: Count the steps to 0, then count on to the other number.