Year 7
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Lesson details
Key learning points
- In this lesson, we will explore subtracting negative numbers as the addition of the additive inverse.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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7 Questions
Q1.
Fill in the gap: Two numbers are additive inverses if their sum is _____.
equal
negative
opposite
subtraction
Q2.
Which words (in order) best complete this sentence: __________________________ can be viewed as the addition of the ____________________________.
Additive inverse, subtraction
Sum, additive inverse
Sum, subtraction
Q3.
Which numbers best complete this number sentence in order: 9 - ___ = 9 + ___ = 4
(-13), 13
(-5), 5
13, (-13)
Q4.
Select the calculation that could be represented by this diagram.
-12 - 10 = -2
-2 - 12 = 10
Q5.
Calculate 2-5
-7
3
7
Q6.
Calculate (-2)-5
-3
3
7
Q7.
Calculate (-2) + (-5)
-3
3
7
5 Questions
Q1.
Which word best completes the gap: -14 and 14 are additive inverses as they sum to ____
negative
subtraction
the same thing
twenty eight
Q2.
Which words (in order) best complete this sentence: __________________________ can be viewed as the ________________________ of the additive inverse.
Addition, addition
Subtraction, subtraction
Q3.
Complete the gap: -3 - (-5) = (-3) + _____
-1
-5
-8
2
Q4.
Which calculation gives the smallest answer?
-9-(-12)
9 - (-12)
9- 12
Q5.
Which calculation gives the largest answer?
-9-(-12)
(-9)-12
9- 12