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Mini Unit #1 Study Guide Part A (GCF, LCM, PF, +,-,x fractions)

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Last updated over 1 year ago
20 questions
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No calculators allowed. Please show all work.


No calculators allowed. Please show all work.


Question 1
1.

Question 2
2.
Find the least common multiple (LCM) of 15 and 18.

The LCM of 15 and 18 is _______ . (ONLY WRITE THE NUMBER IN THE BLANK)
Question 3
3.
Find the greatest common factor (GCF) of 28 and 32.

The GCF of 28 and 32 is _______. (ONLY WRITE THE NUMBER IN THE BLANK)
Question 4
4.

Question 5
5.

Question 6
6.

Question 7
7.

Question 8
8.
Today every fifth customer at a bakery will get a free cupcake and every seventh
customer will get a free brownie.







The owner of the bakery expects to serve exactly 100 customers during lunch.
How many free brownies will the owner give out during lunch?

The owner will give out _______ free brownies (ONLY WRITE THE NUMBER ON THE BLANK).
Question 9
9.

Question 10
10.

Question 11
11.

Question 12
12.
Solve:

The answer is _______ . (ONLY WRITE THE FRACTION HERE)
Question 13
13.

Question 14
14.

Question 15
15.

Question 16
16.

Question 17
17.

Question 18
18.

Question 19
19.

Question 20
20.

What is the correct prime factorization of 70?
Use the GCF you found from question #3 to simplify this fraction.

Which of the following represents this fraction (28/32) in simplest form?
Today every fifth customer at a bakery will get a free cupcake and every seventh
customer will get a free brownie.


Which customers will be the first THREE to get free cupcake?
Customers 1, 2, 3, 4, 5
Customers 5, 10, 20
Customers 5, 10, 15
Today every fifth customer at a bakery will get a free cupcake and every seventh
customer will get a free brownie.


Which customers will be the first THREE to get free brownie?
Customers 7, 10, 14
Customers 7, 14, 21
Customers 7, 8, 9
Today every fifth customer at a bakery will get a free cupcake and every seventh
customer will get a free brownie.







Which customer will be the first to get both a free cupcake AND a free brownie?
The 70th customer.
The 30th customer.
The 12th customer.
The 35th customer.
The sixth grade teachers bought food for a reward party. They purchased 64 bags of chips and 80 bottles of water. What is the largest number of students that can be invited to the party so that they each get the same amount of chips and water? No students can be left out :)

16
8
24
4
Estimate:
Use the model to complete the multiplication sentence.

6
3
4
12
What product is shown in this array (the overlapped/striped section)?


Shelley and her neighbors ate 2 1/3 pints of ice cream on Friday night and 1 3/5 pints of ice cream on Saturday night.


Which estimate best represents how many pints of ice cream they ate in all?
Shelley and her neighbors ate 2 1/3 pints of ice cream on Friday night and 1 3/5 pints of ice cream on Saturday night.

Solve: How many pints of ice cream did they eat in all?
At a soccer game Reed drank 1 1/4 bottles of Gatorade and Holden drank 5/8 of a bottle of Gatorade.


Which estimate best represents how much more Gatorade Reed drank than Holden?
At a soccer game Reed drank 1 1/4 bottles of Gatorade and Holden drank 5/8 of a bottle of Gatorade.


Solve: How much more Gatorade did Reed drank than Holden?
At Chateau restaurant in Franklin, 1/4 of the dishes on the menu are vegetarian. Of the vegetarian dishes, 5/6 are pasta dishes.




Which estimate best represents what fraction of the dishes on the menu that are vegetarian pasta dishes?
At Chateau restaurant in Franklin, 1/4 of the dishes on the menu are vegetarian. Of the vegetarian dishes, 5/6 are pasta dishes.



Solve: What fraction of the dishes on the menu are vegetarian pasta dishes?