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14Use Percents to Solve Problems Unit
106-B4-1 106-B4-2
Percent of a Number a. 20% of 40 is 2. Find a. a. 25% of a is 50
1. Write the correct numbers in the blanks. Example
50% of a is 20
Example
25% of 60 is
b. 12% of 50 is c. 60% of 80 is b. 20% of a is 13 c. 12% of a is 3
a. a% of 25 is 15
3. Find a.
Example
a% of 50 is 35
d. 5% of 200 is e. 16% of 250 is
b. a% of 68 is 17 c. a% of 200 is 70
Objective Learn how to find percent of a Objective Learn how to find variable using
number. proportion.
Textbook Reference Activity 2 Textbook Reference Activity 2
106-B5-1 106-B5-2
Word Problems 2. Solve each word problem.
1. Solve each word problem.
Example
Example
There are 20 students in Ann’s class. 8 of them are girls. What percent of the Ricky has 20 pencils. He gave 6 pencils to his brother and gave 1 of the
students in Ann’s class are girls? 2
a. There are 14 cows and 11 pigs in a farm. What percent of the animals are remaining pencils to his sister. What percent of the pencils does Ricky have left?
cows?
(1 )
b. Kate has 45 books. 27 of her books are biographies. What percent of Kate’s
books are biographies? (%)
c. Ricky solved 24 out of 30 math problems correctly. What percent of Ricky’s a. Thomas has $50. He gave $14 to Jessica and 1 of the remaining money to
answers are correct? 3
Kate. What percent of $50 does Thomas have left?
(1 ) (%)
b. Ann has 40 pieces of paper. She gave 8 pieces of paper to Jessica. Then, she
gave 1 of the remaining pieces of paper to Ricky. What percent of the pieces
8
of paper does Ann have left?
Objective Learn how to solve word problem. Objective Learn how to solve word
Textbook Reference Activity 3 problems.
Textbook Reference Activity 3
6A Unit 14 211
106-B4-1 106-B4-2
Percent of a Number a. 20% of 40 is 2. Find a. a. 25% of a is 50
1. Write the correct numbers in the blanks. Example
50% of a is 20
Example
25% of 60 is
b. 12% of 50 is c. 60% of 80 is b. 20% of a is 13 c. 12% of a is 3
a. a% of 25 is 15
3. Find a.
Example
a% of 50 is 35
d. 5% of 200 is e. 16% of 250 is
b. a% of 68 is 17 c. a% of 200 is 70
Objective Learn how to find percent of a Objective Learn how to find variable using
number. proportion.
Textbook Reference Activity 2 Textbook Reference Activity 2
106-B5-1 106-B5-2
Word Problems 2. Solve each word problem.
1. Solve each word problem.
Example
Example
There are 20 students in Ann’s class. 8 of them are girls. What percent of the Ricky has 20 pencils. He gave 6 pencils to his brother and gave 1 of the
students in Ann’s class are girls? 2
a. There are 14 cows and 11 pigs in a farm. What percent of the animals are remaining pencils to his sister. What percent of the pencils does Ricky have left?
cows?
(1 )
b. Kate has 45 books. 27 of her books are biographies. What percent of Kate’s
books are biographies? (%)
c. Ricky solved 24 out of 30 math problems correctly. What percent of Ricky’s a. Thomas has $50. He gave $14 to Jessica and 1 of the remaining money to
answers are correct? 3
Kate. What percent of $50 does Thomas have left?
(1 ) (%)
b. Ann has 40 pieces of paper. She gave 8 pieces of paper to Jessica. Then, she
gave 1 of the remaining pieces of paper to Ricky. What percent of the pieces
8
of paper does Ann have left?
Objective Learn how to solve word problem. Objective Learn how to solve word
Textbook Reference Activity 3 problems.
Textbook Reference Activity 3
6A Unit 14 211
