The document provides examples of setting up proportions to solve word problems. It includes setting up proportions for problems involving ratios of items in a basket, hours spent watching TV, teachers to students, distance traveled based on gas usage, calories burned walking, workers needed to paint a building, distance traveled based on speed, amounts of fish sold daily, and numbers of tables and chairs. The document emphasizes writing proportions as a first step to solving word problems.

3. 3:5 = 4:12

4. 3:24 = 1:6

5. 4:9 = 16:36

6. 5:10 = 2:2

7. 6:15 = 2:5

8. 9:24 = 3:8

9. There are 6 green mangoes for
every 8 yellow mangoes in a
basket. If there are 48 green
mangoes, how many yellow
mangoes are there in the
basket?
Write a proportion for each given problem
solving situation.
6:8 = 48:64

10. Solve for N in
each proportion.
Paired Activity

11. Solve for N in each proportion.
Paired Activity
8:6 = 4 : N
3

12. Solve for N in each proportion.
Paired Activity
N:2 = 12:4
6

13. Solve for N in each proportion.
Paired Activity
9:N = 4:8
18

14. Solve for N in
each proportion.
Paired Activity

15. Solve for N in each proportion.
Turn to your Neighbors
2
N
4
10
=
5

16. Solve for N in each proportion.
Turn to your Neighbors
3
12
N
24
= 6

17. Why do we
need to learn
Proprortion?

19. 1.You can buy a
Mathematics book
for ₱400.00. How
many can you buy
for 1 200.00?

20. 2. If you spend 3 hours
each day watching your
favorite television
programs, how many
hours would you spend
watching television in 15

21. 3. In a private school, the
teacher to student ratio is
1:35. How many students
are there if there are 22
teachers?

22. 4. A car uses 5 liters of
gasoline for a distance of
110 km. At this rate, how
many liters of gasoline
will the car consume for

23. 5. A man can burn
approximately 300 calories
by walking up and down the
stairs for about 30 minutes.
About how long will it take
him to burn 900 calories?

25. Write a proportion for
each given problem
solving situation.
Brainstorming

26. If 12 men work 6 hours a
day to paint a building,
how many hours are
needed if 14 men work a
day?
Write a proportion for each given problem
solving situation.
12:6 = 14:7

27. A car’s rate is 90
kilometers per hour
(kph). At this rate, how
many kilometers will it
travel in 4 hours?
Write a proportion for each given problem
solving situation.
90:1 = 360:4

28. If a fish vendor sells 3 kilograms
of bangus for every 4 kilograms
of tilapia, how many kilograms
of tilapia is sold daily if she sells
an average of 32 kilograms of
bangus a day?
Write a proportion for each given problem
solving situation.
3:4 = 32:24

29. There are 8 tables for
every 32 chairs in the
room. If there are 16
tables, how many chairs
are there?
Write a proportion for each given problem
solving situation.
8:32 = 16:64