PEMDAS
What does PEMDAS stand for?
Parentheses, Exponents, Multiplication and Division, Addition and Subtraction
3x - 16 +4x = 5
x = 7
A two-month membership to the gym costs $125. How much would it cost for 8 months?
$500
You drive 150 miles in 3 hours. What was your speed?
50 mph
How do you spell both of your math teachers' names?
Berg and Starling
(10 + 20 - 2) - (11 + 3)
14
-15 = -3(2h - 5)
h = 5
Mary ran 2 miles in 23 minutes. If she continues running at the same pace, how long will it take for her to run 5 miles?
57.5 minutes
If 5 balloons cost $6.25, how much is 1 balloon?
$1.25
All numbers divisible by 10 end in this number
0
(6 - 4) x 49 ÷ 7
14
4(x + 2) - 14 = 10 + 8
x = 6
The total weight of 15 boxes is 45 pounds. How much would 40 boxes weigh?
120 pounds
David drove 204 miles with 8 gallons of gas. What was his unit rate of miles per gallon?
25.5 mpg
How many credits do you need to graduate?
27
(62 + 4) ÷ (18 - 14)
10
3(h - 6) = 2(5 - 2h)
h = 4
80 boys are attending a picnic. There is a ratio of 3:5 for the number of girls to boys. How many girls are at the picnic?
48 girls
Walmart sells laundry detergent in several sizes. If the 50 oz bottle is $2.25 and the 80 oz is $3.19, which is the better buy?
The perimeter
(20 ÷ 4)2 + ((16 - 3) x 52)
350
2(5c + 2) - 2c = 3(2c + 3) + 7
c = 6
In a bag of red and green sweets, the ratio of red sweets to green sweets is 3:4. If the bag contains 120 green sweets, how many red sweets are there?
90 red sweets
Clorox wipes come in several sizes. If the bottle of 300 wipes is $4 and the bottle of 75 wipes is $3, which is the better deal?
The 300 wipe container is cheaper per wipe
This is a symbol that represents an unknown value.
A variable