LCM & GCF
List the first 5 multiples of 8.
8, 16, 24, 32, and 40.
List all 4 symbols that represent an inequality.
The four symbols are <, >, ≤, ≥
What is a variable?
A variable is a letter that stands for an unknown value in an expression or in an equation.
What does the word "percent" mean?
Per = For every
Cent = One hundred
So, percent literally means "for every one hundred."
Prince wants to buy a new video game. He already has $15 saved in his piggy bank. He plans to save d dollars each week until he has enough.
Write an expression that shows how much money Prince will have in total after 6 weeks.
$15 + 6*d
Find the Least Common Multiple of 3 and 10.
The Least Common Multiple of 3 and 10 is 30.
The cake must have more than 36 strawberries on top.
x > 36.
Mrs. Gavette is selling fruits and vegetables she harvested from her backyard.
Avocados cost a dollars each, blueberries cost b dollars each, jalapeños cost j dollars each, and tomatoes cost t dollars each.
Write an expression for the total cost of her harvest if she picked 5 avocados, 3 blueberries, 4 jalapeños, and 7 tomatoes.
5a + 3b+ 4j + 7t.
What is 92% of 250?
230
In a class of students, 25% of them wear glasses. If 8 students wear glasses, how many students are in the class in total?
There are 32 students in the class.
Find the Greatest Common Factor of 35 and 42.
The Greatest Common Factor of 35 and 42 is 7.
Luna must pay her dance teacher at least $17 per lesson.
p≥17
Mr. LeSuer will join an upcoming marathon. Each day he runs and practices to improve his speed. His speed is 13 miles per hour. Write an expression for the distance of Mr. LeSuer after h hours.
13 x h
30 is 40% of what number?
75
There is a basket of apples on a table. 20% of the apples in the basket are red. If there are 12 red apples, how many apples are in the basket altogether?
There are 60 apples in the basket.
Find the Greatest Common Factor of 18 and 24.
The Greatest Common Factor of 18 and 24 is 6.
Jefferson can spend at most $67 on his video game.
x≤67
Yareli took $35.75 to the strawberry festival. Each ticket at the festival cost d dollars. Yareli bought 8 tickets. Which expression represents the amount of money, in dollars, that Yareli had after she bought the tickets?
a) 35.75 + 8d
b) 35.75 / 8d
c) 35.75 - 8d
d) 35.75 x 8d
$35.75 - 8d
85% of _____ is 425.
500
There are 36 red nail polishes, 30 yellow nail polishes, and 12 pink nail polishes. Anahi puts the same number of nail polishes of each color of soup on the shelves. How many nail polishes of each color are on 1 shelf?
There are 6 nail polishes of every color.
List the prime factorization for:
a) 24
b) 63
c) 80
a) 2x2x2x3
b)3x3x7
c)2x2x2x2x5
Draw me a number line that represents the following:
Oliver must practice his violin for at least 10 hours a week.
See Mrs. Otzoy for the correct answer.
Write an expression that represents the following statement.
"4 less than the product of 12 and x"
12*x - 4
Mr. Thompson left a 15% tip on the bill. His tip was $36. What was the bill before the tip?
The bill before the tip was $240.
A train and a bus arrive at State Street at 9:00 am. After that, a train arrives at State Street every 30 minutes, and a bus arrives every 20 minutes. At what time will both a train and a bus arrive at State Street again?