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? Answer:
2
What is the opposite of the number the dot shows? Answer:
3
What is the opposite of −7?
−701/77
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 6 units to the left of 0 on a number line. How many units to the right of 0 is its opposite? Answer:
Flips and special numbers
6
The opposite of the opposite of −6 is −6.
TrueFalse
7
The dot is at one half (0.5). What is the opposite of the opposite of one half? Answer:
8
The dot is at 0.75. What is its opposite? Answer:
9
Join each number to its opposite.
112
2−5
31/2
4−0.4
A−1/2
B−12
C5
D0.4
10
Which sentence about 0 is true?
0 has no oppositeThe opposite of 0 is 1The opposite of 0 is −10 is its own opposite
11
−(−9) = −9
TrueFalse
Stretch
12
Point A is at −2.5. Point B is the opposite of A. How many units apart are A and B? Answer:
13
Pick a number and mark it. Then mark its opposite. Write how far each is from zero.
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