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Algebra 1 2-9 Guided Practice: Percents

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Last updated over 5 years ago
16 questions
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Question 1
1.

Solve It! Some recommended daily intakes of vitamins are shown. Carrie consumed 10 mg of niacin today. Her brother consumed 11 mg of niacin. Who consumed the greater percent of thier recommended intake?

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Question 2
2.

How do you know?

Take Note: The word percent is made by combining per and centium. Per means "out of" and centium means "hundred".
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Question 4
4.

Problem 1 Got It? What percent of 90 is 54?

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Question 5
5.

Problem 2 Got It?

Question 6
6.

Problem 3 Got It? A family sells a car to a dealership for 60% less than they paid for it. They paid $9000 for the car. For what price did they sell the car?

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Question 7
7.

Problem 4 Got It?

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Question 8
8.

Take Note: Write the Simple Interest Formula. Do not use any spaces. Capitalization matters.

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Question 13
13.

Take Note: Match each element from the Simple Interest Formula on the left with its description on the right.
Recall the Simple Interest Formula: I=Prt

Draggable itemarrow_right_altCorresponding Item
Interest, I
arrow_right_alt
Money paid or charged regularly at a particular interest rate.
Principal, P
arrow_right_alt
The original sum of money in an account.
interest rate, r
arrow_right_alt
The percent of a loan that is charged as interest.
time, t
arrow_right_alt
The number of time intervals over which interest has accrued.
Question 14
14.

Take Note: Match the equivalent fractions and common percentages below. You may need to zoom out to see all of the items. You can also place each item from the left column by selecting it (click it) then selecting (clicking on) the category for it.

Draggable itemarrow_right_altCorresponding Item
\frac{1}{3}
arrow_right_alt
25%
\frac{1}{4}
arrow_right_alt
5%
75%
arrow_right_alt
\frac{3}{4}
66.666...%
arrow_right_alt
1
50%
arrow_right_alt
\frac{1}{2}
10%
arrow_right_alt
1%
\frac{1}{20}
arrow_right_alt
\frac{1}{10}
\frac{1}{5}
arrow_right_alt
20%
100%
arrow_right_alt
33.333...%
\frac{1}{100}
arrow_right_alt
\frac{2}{3}
Question 15
15.

Problem 5 Got It? You deposited $125 in a savings account that earn a simple interest rate of 1.75% per year. You earn a total of $8.75 in interest. For how long was your money in the account?

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Question 16
16.

Take Note: Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?

Question 3
3.

Take Note: Which of the following are equivalent to thirty percent? Select all that apply.

Question 9
9.

Take Note: What does the t in the Simple Interest Formula represent?

Question 10
10.

Take Note: What does the P in the Simple Interest Formula represent?

Question 11
11.

Take Note: What does the r in the Simple Interest Formula represent?

Question 12
12.

Take Note: What does the I in the Simple Interest Formula represent?