Transcript Lesson 4-4B PowerPoint

Warm-up Problems
(over Lesson 4-3)
Solve the problem by making an organized list.
In how many ways can the numbers 1, 5, and 9 be
arranged?
A. 9
B. 5
C. 8
D. 6
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
(over Lesson 4-3)
Solve the problem by making an organized list.
If Ella has a pink, blue, red, and black T-shirt and has
2 different pairs of jeans, how many outfits can she
make?
A. 8
B. 6
C. 10
D. 4
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
Five-Minute Check (over Lesson 4–3)
Main Idea and Vocabulary
Example 1: Write a Fraction in Simplest Form
Example 2: Write a Fraction in Simplest Form
Example 3: Use Fractions to Solve a Problem
• Write fractions in simplest form (2.1.8A) (M7.A1.1)
MUSIC Two notes form a perfect fifth if the simplified
fraction of the frequencies of the notes equals
If
note D = 294 Hertz and note G = 392 Hertz, do they
form a perfect fifth?
The slashes mean
that part of the
numerator and part of
the denominator are
both divided by the
same number. For
example, 7 ÷ 7 = 1.
Answer: The fraction of the frequency of the notes
D and G is
perfect fifth.
So, the two notes do form a
MARBLES In a bag of 96 marbles, 18 of the marbles
are black. Write the fraction of black marbles in
simplest form.
A.
B.
C.
D.
0%
0%
A
B
1.
2.
3.
4.
0%
C
A
B
C
D
0%
D
REVIEW/GUIDED PRACTICE
Mary received $15 for her weekly
allowance. She spent $10 at the movie
theater with her friends. What fraction
of the money, in simplest form, was
spent at the theater?
10 2

15 3
End of the Lesson
Five-Minute Check (over Lesson 4–3)
Image Bank
Math Tools
Percents
Prime Factorization