Math Vocabulary
What is the acronym for order of operations?
PEMDAS
x /4 = 11
x=44
What decimal is equivalent to 37%?
0.37
What are three ways to write a ratio of 3 red marbles to 2 blue marbles
3/2
3 to 2
3:2
What is 60% of 45
0.60 * 45 = 27
What does equivalent mean in math?
The same as or equal to
a + 9.4= 16.6
a=7.2
What fraction is equivalent to 75%?
3/4
At the zoo, there are 3 monkeys for every 2 elephants. How many elephants are there if there are 36 monkeys? Hint: set up a fraction ratio and use the giant one to create equal ratios.
24 elephants
Eric earned 60 points on his last test. If there were 75 possible points, what was his percent grade?
60/75 = 0.8 = 80%
What is a ratio?
The relationship between two quantities
x + 1/2 = 8/9
a=7/18
Order decimals from least to greatest
0.06, 0.60, 0.40, 0.04
0.04, 0.06, 0.40, 0.60
Ivan needs new highlighters. He can buy a package of 6 highlighters for $7.50 or a package of 4 highlighters for $6.00. Which package of highlighters has the best price per highlighter? (Need the work to PROVE)
package of 6 highlighters for $7.50 ($1.25 each)
During a sale, all video games are 15% off. If you buy a game with an original price of $60, how much would you save? What is your dollar discount?
0.15 * 60 = $9 savings or $9 off
Another word for the letters used in expressions and equations
Variable
a-4 7/10=12 1/2
a=17 1/5
Convert the decimal .40 into a fraction
40/100
4 movie tickets cost $48. At this rate, what is the cost of 5 tickets?
$60 for 5 tickets
My meal at Potbelly's was $20 and I wanted to leave an 18% tip. How much tip did I leave? And what was my total bill?
$20 * 0.18 = $3.60
$20 meal + $3.60 tip = $23.60
This type of math problem has an equal sign
Equation
3 1/4g=4 7/8
g= 1 1/2
Write nineteen and eighty-two hundredths in standard form. (just the words in numbers)
19.82
Liam is making dinner rolls for a family gathering. He used 12 cups of flour to make 4 batches. How many cups of flour are needed for 7 batches of rolls?
21 cups of flour
George went to visit his family in California. While there, he bought a book for $24.00. The city where he bought the book had an 8% sales tax. Find the total amount he paid for the book, including the sales tax.
24 * 0.08 = $1.92 tax
$24 book + $1.92 tax = $25.92