Remember: The opposite of a number is the same distance from zero on the other side.
On the number line
1
What number is the dot at?
2
What is the opposite of the number the dot shows?
3
What is the opposite of 9?
9−91/90
4
The three number lines are A on top, B in the middle and C at the bottom. Which one shows a number and its opposite?
ABC
5
A point is 8 units to the right of 0 on a number line. How many units to the left of 0 is its opposite?
Flips and special numbers
6
The opposite of the opposite of 11 is −11.
TrueFalse
7
The dot is at −0.5. What is the opposite of the opposite of −0.5?
8
The dot is at −1.5. What is its opposite?
9
Join each number to its opposite.
1−9
220
3−3/4
42.5
A3/4
B9
C−20
D−2.5
10
Which pair are opposites?
−6 and 66 and 1/6−6 and −1/66 and 0
11
−(−4) = 4
TrueFalse
Stretch
12
Point A is at −3.5. Point B is the opposite of A. How many units apart are A and B?
13
Mark −7 on the number line. Then mark its opposite. Write how far each is from zero.
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