Opposites
Give an example of two numbers that are opposites
Example -3 and 3
Is 0 a rational or irrational number?
rational
−8+5
-3
1.1 + (-0.8)
0.3
3 x -3
-9
What is the opposite of 12 on a number line?
-12
Is the square root of 2 a rational or irrational number?
Irrational
6+(−9)
-3
−3.2+5.7
2.5
-40 x -30
1200
What is the opposite of −7 ?
7
Is 0.75 a rational or irrational number?
Rational
−4+(−7)
-11
8.5−(−2.3)
10.8
15 x -4
-60
What is the opposite of -12.7?
12.7
Which of the following can be written as a fraction?
a) 0.2
b) 0.333333...
c) - 1.5
d) all of the above
d) all of the above
5−12
-7
2.5+(−4.1)
-1.6
2.7 ÷ -1
-2.7
What number does not have an opposite?
0
Is pi (π ) a rational or irrational number?
irrational
−9−(−3)
-6
−1.5−2.5
-4
−9.6÷(−3.2)
3