Classifying Numbers
What are -4 and 4 called?
Negative x Negative = ?
Positive
What method do you use to divide fractions?
SIR
There are 5 boys and 6 girls in the room. What is the ratio of girls to boys?
6:5
What is 0.95 as a percentage?
95%
Classify the number 2/3
rational
Adding a negative is the same as
Subtracting a positive
Rewrite:
3/4 Divided by 1/2
3/4 x 2/1
Marissa got 7 out of 10 questions correct on her math quiz. What is the ratio of incorrect to total questions?
3:10
What is 45% as a fraction in simplest form?
9/20
Classify the number -9.0
Rational and Integer
9(-3)
-27
What do you do if you are solving for each letter?
G
E
T
G - Divide
E - Divide
T - Multiply
Melissa sells 30 cups of lemonade for every 5 hours. What is the ratio of cups to hours?
6:1
Julissa spent $11 of the $50 that she earned. What percentage is equivalent to the fraction of the money that Julissa spent?
22%
True or False: All integers are also rational numbers
True
-9 - (-16)
7
7.14
T or F: 5:3 and 9:15 are equivalent ratios?
False
A company spent 32% of its annual budget developing a new machine. What fraction of the company's budget was spent developing the new machine? (Simplest form)
8/25
Classify the number -39/3
Whole, Integer and Rational
(-7) + 12 - (-6) + (-9)
2
(-4/5) x (2.5) = ?
-2
T or F: 27:36 and 3:4 are equivalent ratios?
True
Julissa spent $26 of the $50 that she earned. What percentage is equivalent to the fraction of the money that Julissa saved?
48%