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mathematics-powerpointpresentationquarter1week1

Drill: Reducing fractions to lowest terms.
Review: Identify each item.
1. It has a numerator and denominator.

2. The numerator is smaller than the
denominator.
3. Which is a mixed number?
A. 3/4 B. 5 1/3

4. Set of fractions with the same
denominators.
5. Set of fractions with different
denominators.

Class Game: The boat is sinking
Group Yourselves into:
a. 10
b. 8
c. 4

-Based from what we have done,
what fraction is group 1? Group 2?
Group 1, 2 and 3? Group 4?

-If you add the fraction for group 1
and the fraction for group 2 what
operation will you use?
-If you subtract the fraction for group
4 from the fraction for group 1, 2 and
3 what operation will be used?

a. 1/4 + 1/4 = ____
b. 3/4 – 1/4 = ____
c. 1 1/4 + 2 3/4 = _____
d. 5 3/4 – 2 1/4 = _____

Through a paper folding represent 1/2
then fold it again. How many fourths
do you have now? If you add 2
fourths, what will be the answer?
Each pupil cut 1/4 from the whole
then give it to her/his classmate. What
part of the paper is left?

Group work activity.
Add or subtract. Simplify the answers if
necessary.
1. 1/8 + 3/8
2. 5/8 – 3/8
3. 2 5/8 + 1 1/8
4. 6 4/8 – 3 3/8
5. 5/7 + 1/7

What value is showed when you are
sharing things to others?

How will you add or subtract similar
fractions in simple and mixed
numbers with or without regrouping?

Add or subtract. Simplify the answer
if necessary.
1. 3/10 + 2/10
2. 5/6 - 2/6
3. 2 1/9 + 3 2/9
4. 9 5/7 – 3 2/7

Assignment:
if necessary.
1. 3/12 + 8/12
2. 9/15 – 6/12
3. 9 3/5 + 2 4/5
4. 7 2/3 – 4 1/3

Drill: Adding and subtracting similar
fractions.
Review: How will you add and
subtract similar fractions?

You have a visitor. You want to offer
him or her pineapple juice. What are
the things do you need to make a
juice? Explain.

Carla has a visitor. She served her
visitor pineapple juice. She mixed
2/3 glass of sweetened pineapple
juice and 1/2 glass of water. How
much is the mixture?

Represent the data by regions
visualization.
Guide the learners to see 2/3 is
equal to 4/6.
Discuss the steps in adding and
subtracting dissimilar fractions.

1. 2/3 + 3/4
2. 2 ¾ + 6 1/2
3. 3/4 – 1/6
4. 5 1/5 – 2/3
5. 8 2/3 – 1 7/8

Have you had a visitor at home?
What do you usually offer to your
visitors? Do you offer drinks or food to
them? Why or why not?

What are the steps in
adding and
subtracting dissimilar
fractions?

if necessary.
1. 1/2 + 1/3
2. 2/3 – 3/5
3. 6 1/3 – 2 5/8
4. 2 1/4 + 3 2/3

Additional activities
if necessary.
1. 1/6 + 1/4
2. 3/5 – 1/8
3. 5 1/4 – 1 3/5
4. 3 1/9 + 4 1/6

Drill: Giving an addition or subtraction
sentence that will give and answer to
the given fraction.
1. 1/2
2. 1/4

What do you add or
subtract to get a sum
or difference?

What do you usually do during your
free time?
I have here story problems about
how some children spend their free
time

Norma spends her free time playing
piano. Each day she spends ¾ hour.
When a visitor came in, she has
already played for ¼ hour. To
complete her schedule, how much
longer does she need to play?

Small group Activity.
Give different problems for each
group. After the time allotted, the
group passes the activity card to
another team. The process
continues until all teams have
answered all the set of cards.

Why do you use
your free time
wisely?

How do you solve word
problems?
What are the steps in
solving word problem?

Solve the problems. (5 different
problems)
1. Dolor had 4 ½ boxes of books.
She unpacked 2 ½ of the boxes.
How many more does she need to
unpack?

Solve the problems. (5 different
problems)
Luisa ate 2 ½ guavas and Eduardo
ate 1 ¼ guavas. How many guavas
in all were eaten? Who ate more?
By how much?

Drill: Adding and
subtracting simple fractions
and mixed numbers.

Solve the word problems
involving addition and
subtraction of fractions.

Do you have dessert
during lunch or dinner?
What are the usual fruits
we eat for dessert?

Present the data for creating a word
problem.
a. 1 1/2 watermelon
b. 2/3 of the watermelon for dinner time
c. part of the water melon was left for
the next meal

Give the data for creating a word
problem to each group.
The presenter from each group will
present the output after the allotted
time.

If the family having dessert
during lunch or dinner,
what good trait the family
posses? Is it good to have
this trait? Explain.

How will you create a
word problem involving
addition or subtraction of
fractions?

Create a word problem
involving addition or
subtraction of fractions
using the given data.

Additional activities
Create a word problem
involving addition or
subtraction of fractions
using the given data.

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