Mini Unit #1 Assessment (GCF, LCM, PF, +,-,x fractions)
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Last updated about 1 year ago
20 questions
Note from the author:
Please show all work.
Please show all work.
Part 1: GCF and LCM
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Question 1
1.
What is the correct prime factorization of 60?
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Question 2
2.
Find the least common multiple (LCM) of 12 and 20.
The LCM of 12 and 20 is _______ . (ONLY WRITE THE NUMBER IN THE BLANK)
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Question 3
3.
Find the greatest common factor (GCF) of 24 and 40.
The GCF of 24 and 40 is _______. (ONLY WRITE THE NUMBER IN THE BLANK)
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Question 4
4.
Use the GCF you found from question #3 to simplify this fraction.
Which of the following represents this fraction (24/40) in simplest form?
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Question 5
5.
Today every eighth customer at a restaurant will get a free sandwich and every sixth
customer will get a free drink.
Which customers will be the first THREE to get free drinks?
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Question 6
6.
Today every eighth customer at a restaurant will get a free sandwich and every sixth
customer will get a free drink.
Which customers will be the first THREE to get free sandwiches?
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Question 7
7.
Today every eighth customer at a restaurant will get a free sandwich and every sixth
customer will get a free drink.
Which customer will be the first to get both a free drink AND a free sandwich?
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Question 8
8.
Today every eighth customer at a restaurant will get a free sandwich and every sixth
customer will get a free drink.
The owner of the restaurant expects to serve exactly 70 customers during lunch.
How manyfree sandwicheswill the owner give out during lunch?
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Question 9
9.
The table below shows the number of students in the school chorus.
The chorus teacher plans to arrange the students in equal rows. If each row must have either all boys or all girls, what is the greatest number of students that could be in each row? No students can be left out :)
Part 2: Add, Subtract, and Multiply Fractions
Please simplify all work.
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Question 10
10.
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Question 11
11.
Estimate:
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Question 12
12.
Solve:
The answer is _______ . (ONLY WRITE THE FRACTION HERE)
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Question 13
13.
Use the model to complete the multiplication sentence.
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Question 14
14.
What product is shown in this array (the overlapped/striped section)?
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Question 15
15.
Jason is 42/3 feet tall. Henry is 3 1/6 feet tall.
Which estimate best represents how much taller Jason is than Henry?
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Question 16
16.
Jason is 42/3 feet tall. Henry is 3 1/6 feet tall.
Solve: How much taller Jason is than Henry?
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Question 17
17.
Bella has 1 1/4 pounds of sugar at her house. Chloe uses 2/3 of it to make cookies.
Which estimate best represents how much sugar Chloe used?
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Question 18
18.
Bella has 1 1/4 pounds of sugar at her house. Chloe uses 2/3 of it to make cookies.
Solve: How much sugar did Chloe use?
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Question 19
19.
Jack brings 2 3/8 cups of hot chocolate to his friend's house. Matt brings 1 1/2 cups of hot chocolate to the friend's house at the same time.
Which estimate best represents how much hot chocolate they brought altogether?
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Question 20
20.
Jack brings 2 3/8 cups of hot chocolate to his friend's house. Matt brings 1 1/2 cups of hot chocolate to the friend's house at the same time.
Solve: How much hot chocolate did Jack and Matt bring altogether?