The document discusses proportions and ratios. It provides examples of setting up proportions to determine better buys based on price and quantity, finding missing terms in proportions, and identifying statements that do and do not represent proportions. It also asks students to consider if God created humans proportionally and to reflect on why.

2. Learning Target:
a. define and illustrate the
meaning of proportion using
concrete or pictorial models;
b. set up proportion for groups of
objects or numbers and for given
situations; and
c. find a missing term in a
proportion.

3. Which one of the
following is a
better buy?
A 1-liter tetra of pineapple juice
at ₱78.00 each or a 240 mL can
of pineapple juice at ₱26.00
each.

4. Which one of the
following is a
better buy?
A 14-inch diameter Hawaiian
pizza for ₱439.00 or a 10-inch
Hawaiian pizza for ₱299.00

5. Which one of the
following is a
better buy?
A 1.6 kg box milk powder
for ₱748.00 or a 1 kg can
milk powder for ₱554.00

6. Write is the ratio of tables
to chairs?

7. They are called
Therefore, 12:72
= 1:6.

8. When two
ratios are
equal, they
make a
proportion.

9. is a statement
stating that two
ratios are equal.

10. that these two facts
both change at the
same rate
There are two things to consider
in a proportion.
the two facts
given
*The product of their extremes is equal
to the product of the means.
Therefore, the ratios make a proportion.

11. A grade one learner
can read 550 words in
2 minutes. How many
words can she read in
10 minutes?

12. 2:3 and 10:15
Compare the ratios.
1:2 and 2:4

13. Face Front or Face at the Back
Stand Up & face front if
the following is a
statement of proportion
and Stand up & face at
the back, if it is not.

14. 6:15 = 2:5

15. 9:8 = 6:42

16. 3 = 4
5 12

17. 3:9 = 1
3

18. Do you think God
created humans
proportionally?
React and reflect
Why do you say so?