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068_G5U09_G6U13_TG 2014.4.18 2:38 PM ˘ ` 131
09Multiply Fractions Unit
Have students solve word problems that require them to multiply fractions by whole numbers . 2. Have students solve word problems using
the method of their choice.
2 . Solve the word problems.
a. Kate received a dozen colored pencils for her birthday. The colored pencils
1
were red or blue. If 6 of the colored pencils were red, how many colored
pencils were red? 1 \ 12 2 2a.
6
Understand the Question
2 colored pencils were red.
Q: What do you need to find?
b. The constellation is made up of 15 stars. A: How many colored pencils are red?
1 of the stars are brighter than the Sun. Q: Read the problem again. What do you
3
How many stars in this constellation are already know?
brighter than the Sun? A: 1 of the 1 dozen pencils are red.
6
1
3 \15 5 Plan the Process
5 stars are brighter than the Sun. Q: How will you solve the problem?
c. The number of days that Ricky went to the baseball stadium was equal to A: Write a numerical expression using
2 of the days in June. How many days did Ricky go to the baseball multiplication. 12 1
5 6
stadium? 2 \30 12 Solve the Problem
5
1
Ricky went to the baseball stadium for 12 days. 12 6 2
Look Back
d. Ryan wanted to buy a basketball. He helped his mother with home chores Q: Does your answer make sense?
and received $24. The cost of the basketball is 3 of the money
8
Ryan received. How much does the basketball cost?
3 \ 24 9
8
The basketball costs $9.
9. Multiply Fractions 81
Review with students how to solve multiplication problems involving fractions.
1. Multiply the numerators.
2. Multiply the denominators.
3. Find a common factor to simplify the fraction.
If one of the numbers is a whole or mixed number, convert it to a fraction and repeat the process.
Example: 3 4 1 3 9 27 13 1
2 2 2 2
5A Unit 09 131
09Multiply Fractions Unit
Have students solve word problems that require them to multiply fractions by whole numbers . 2. Have students solve word problems using
the method of their choice.
2 . Solve the word problems.
a. Kate received a dozen colored pencils for her birthday. The colored pencils
1
were red or blue. If 6 of the colored pencils were red, how many colored
pencils were red? 1 \ 12 2 2a.
6
Understand the Question
2 colored pencils were red.
Q: What do you need to find?
b. The constellation is made up of 15 stars. A: How many colored pencils are red?
1 of the stars are brighter than the Sun. Q: Read the problem again. What do you
3
How many stars in this constellation are already know?
brighter than the Sun? A: 1 of the 1 dozen pencils are red.
6
1
3 \15 5 Plan the Process
5 stars are brighter than the Sun. Q: How will you solve the problem?
c. The number of days that Ricky went to the baseball stadium was equal to A: Write a numerical expression using
2 of the days in June. How many days did Ricky go to the baseball multiplication. 12 1
5 6
stadium? 2 \30 12 Solve the Problem
5
1
Ricky went to the baseball stadium for 12 days. 12 6 2
Look Back
d. Ryan wanted to buy a basketball. He helped his mother with home chores Q: Does your answer make sense?
and received $24. The cost of the basketball is 3 of the money
8
Ryan received. How much does the basketball cost?
3 \ 24 9
8
The basketball costs $9.
9. Multiply Fractions 81
Review with students how to solve multiplication problems involving fractions.
1. Multiply the numerators.
2. Multiply the denominators.
3. Find a common factor to simplify the fraction.
If one of the numbers is a whole or mixed number, convert it to a fraction and repeat the process.
Example: 3 4 1 3 9 27 13 1
2 2 2 2
5A Unit 09 131
