ST REP
TE
CALIFORNIA
Diagnosis and
Intervention System
Intervention Lesson H23
Name
Understanding Percent
Example
The grid below has 100 squares. Tell what percent of the grid is
shaded.
Percent means “per hundred.”
The percent shaded means the
number shaded per one hundred
squares.
36
The ratio means that there
100
are 36 shaded squares out of 100.
36 can be written as 36%.
The ratio 100
In simplest form,
36
100
36 4
9
.
100 4
25
Write each ratio as a percent.
13
100
1. 2. 87 out of 100
4. 4 out of 5
5. 29
100
7
10
3. 21
50
6. Tell what percent of each grid is shaded. Then write the ratio
in simplest form.
8.
9.
© Scott Foresman, Gr. 5
7.
Reteaches content taught in Grade 5, Lesson 12-6.
83
ST REP
TE
CALIFORNIA
Diagnosis and
Intervention System
Intervention Lesson H23
Name
Understanding Percent (continued)
Write each ratio as a percent.
8
100
10. 55 out of 100
3
5
13. 11. 12. 6 out of 10
14. 19 out of 100
15. 45 out of 50
Tell what percent of each grid is shaded. Then write the ratio in
simplest form.
16.
17.
18.
Write each percent as a ratio. Write the ratio in simplest form.
19. 70%
20. 18%
21. 28%
22. There are 100 students in the 5th grade. Of those, 43 of
them are in the school band. What percent of 5th grade
students are in band?
23. Which of the following is the correct ratio, in simplest form,
for 80%?
A
4
10
B
8
50
C
4
5
8
D 100
E
NH
K
NH
24. One hundred dalmation puppies were born. Of these 52 were
female. What percent of the puppies were female?
F
84
52%
G 48%
H 5.2%
J
4.8%
Reteaches content taught in Grade 5, Lesson 12-6.
© Scott Foresman, Gr. 5
Test Prep Choose the correct letter for each answer.