LCM and GCF
What is the GCF of 12 and 15?
3
Becky and her roommates ate 1 1/2 pints of ice cream on Friday night and 1 3/4 pints of ice cream on Saturday night. How many pints did they eat in all?
3 1/4 pints
Find the unit rate:
63 dollars: 6 hours
What is 20% of 300?
60
Solve the equation:
y + 6 = 29.5
y = 23.5
What is the GCF of 24 and 72?
24
At the neighborhood block party, Garrett served 5 gallons of hot chocolate and 2 5/12 gallons of apple cider. How much more hot chocolate than apple cider did Garrett serve?
2 7/12
Find the unit rate:
325 legos: 5 boxes
65 legos: 1 box
What is 8% of 325?
26
Solve the equation:
4h = 36
h = 9
What is the LCM of 24 and 72?
72
Bridget made a block of scented soap which weighed 4 1/2 pounds. She divided the soap into 6 equal pieces. How much did each piece of soap weigh?
3/4 lb
Which car was driving faster?
The red car went 45 miles in 30 minutes.
The blue car went 12 miles in 6 minutes.
The blue car
Red: 45 miles/30 minutes --> 1.5 miles/ minute
Blue: 12 miles/ 6 minutes --> 2 miles/minute
Marcus buys a new pillow. It originally costs $45, but it's on sale for 40% off. How much does Marcus save on the pillow?
$18
Write an equation for the situation. Make sure the variable is not alone!
Jenny spent $14 at Panera Bread and had $23 left.
x - 14 = 23
What is the LCM of 15 and 20?
60
An equilateral triangle measures 3½ inches on one side. What is the perimeter of the triangle?
10 1/2 inches
Which is the better buy?
8 avocados for $6.60
20 avocados for $18
8 avocados for $6.60
8 avocados for $6.60 --> 0.825/avocado
20 avocados for $18 --> 0.9/avocado
Ali buys a new iPhone for $780. She pays 6% sales tax. What is her final price?
(Sales tax + phone price)
$826.80
6% of 780 --> 0.06 * 780 --> 46.8
46.8 + 780 = 826.80
Write and solve an equation for the situation.
Bert brought in c ice cream sandwiches and gave an equal amount to each of his 6 friends. Each friend got 3 ice cream sandwiches.
c / 6 = 3
c = 18
You are making identical bouquets of flowers. You have 18 roses and 30 daisies. What is the greatest number of bouquets you can make?
6 bouquets
There was 5/8 of a pie left in the fridge. Daniel ate 1/4 of the leftover pie. How much of a pie did he have?
5/32
Which is the better buy?
35 cookies for $4.50
30 cookies for $3.99
35 cookies for 4.50
35 cookies for $4.50 = 0.128/cookie
30 cookies for $3.99 = 0.133/cookie
Ray bought a pair of sneakers for $46.99 and used a 15% off coupon. How much did Ray pay after the discount?
$39.94
46.99 x 0.15 = 7.0485 --> round to 7.05
46.99 - 7.05 = 39.94
Write and solve an equation for the situation.
Juliet is c inches tall. Hunter is 54 inches tall. Hunter is 4/5 of Juliet's height.
4/5 x c = 54
c = 67.5 inches