Download Multiply Mixed Numbers

Multiply Mixed Numbers
(Chapter 10.3)
Partner Discussion
• How should you go about solving the math
problem below? Work with your partner to create
an algorithmic AND a visual representation
explanation
• 5 x 2 7/8
• (Five times two and seven eighths)
What does 5/1 mean?
5
1
Use the Distributive Property
• 5 x 2 7/8 =
• (5 x 2) + (5 x 7/8)
Partner Discussion
How should you go about solving the math problem below?
Work with your partner to create an algorithmic AND a visual
representation explanation.
2 1/2
x
3 1/5
Can you covert the number to an
improper fraction before
multiplying?
Algorithym vs.
Visual Representation
• Ann and Sheri are training for a bicycle race. On
one day, Ann rides 3 and 1/5 miles. Sheri rides 2
and 1/2 times as far as Ann. How many miles
does Sheri ride?
Find 2 1/2 x 3 1/5
Guided Practice
• Rewrite the problem by changing each
mixed number into a fraction. Then
multiply. Write the answer in simplest
form.
• 4 2/3 x 3 2/5
Guided Practice
• Peter needs 1/8 of a cup of butter to make
cookies and 1/8 of a cup of butter to make
bread. How much butter in all does Peter
need to make cookies and bread?
Homework
• PW 10.3