Multiplying Rational Numbers
Adding Rational Numbers
Subtracting Rational Numbers
Dividing Rational Numbers
Random
100
abs(-4) * 5 =
20
100
7.824 + 23.5=
31.324
100
38.13 – 31.9=
6.23
100
60 / 5
12
100
Does the denominator have to be the same when multiplying fractions?
NO!!!!
200
-5 * -5 =
25
200
-14 + -8
-22
200
- 20 - (-4) =
-16
200
-14/2
-7
200
What rule do we use when dividing fractions?
Keep, change, flip
300
9 * -7 =
-63
300
-14 3/10
300
-3 4/10 or -3 2/5
300
-634 / -4
158.5
300
The absolute value of a number is the _______ from ________ on a ____________
Bonus:
It is always _______
Distance from zero on a numberline
Bonus:
It is always positive
400
-79.3 * 3 =
-237.9
400
–33 + 91
58
400
–3.37 – 9.668
-13.038
400
83.4/-13.9
-6
400
A quotient is what?
The answer when using division.
500
-634 * -5.4 =
3423.6
500
–16 + –25
-41
500
6 1/6
500
The amount of water in a tank changes from 37.25 gallons to 26.36 gallons from 1:00 to 4:00 pm. What is the average change in the amount of water, in gallons, per hour?
3.63 gallons per hour
500
Without doing any calculations, is (-2/3)7 positive or negative?
Negative