Module 2 Study Guide

​Percent of a Number Study Guide

Chapter 2 Fractions, Decimals and Percentages Common Assessment on _____________. ​

​Remember to answer questions using the Success Criteria:

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1. Circle the percent proportions in the pro​blem.

2. Identify ___ percent

   ___ part

   ___ whole

3. ​Set up the problem: % = part

​ 100 whole

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4. Solve using cross multiplication.​

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​1. Of the 250 tickets available for a school play, 60% have been sold. What is the number of tickets that have been sold?

​x=150 tickets sold Show how to solve the problems below.

Success Criteria work space: ​

​2. What percent of 250 is 125?

​x=50% Show how to solve the problems below.

Success Criteria work space: ​

​3. Mason got 85% of the questions right on a test. If there are 20 questions on the test, how many questions did Mason get wrong?

​Mason got 3 questions wrong. Show how to solve the problems below.

Success Criteria work space: ​

​4. Miranda deposits 30% of the money she make each week into a savings account. If Miranda earns $200 a week, how much will she put in savings?

​Miranda saves $60 per week. Show how to solve the problems below.

Success Criteria work space: ​

​5. There are 500 students in 7th grade. Of these students, 75 have all As on their report cards. What percentage of the students have all As on their report card?

​15% have all As on their report card.

Success Criteria work space: ​

​6. In a class of 24 students, 18 did their homework. What percentage of students forgot to do their homework?

​25% of the students did not do their homework.

Success Criteria work space: ​