math 6. lesson 3 Solving routine and non-routine involving addition and subtract.pptx

1. GENELENE B. FERNANDEZ
VI- JACINTO
BULIHAN CENTRAL SCHOOL
GMA, CAVITE
Solving routine and non-routine
involving addition and subtraction of
fractions

2. Drill
4
5
3
5
+

3. Drill
5
8
3
8
-

4. v
Drill
2
3
4
5
+

5. Drill
6
8
-5_
10

6. Drill
3
7 +
2
5

7. How do fractions
work in everyday life?
Cite some examples.

8. Presentation
From a piece of yarn 4/5 m long,
Manny cut a piece
¼ m long and another piece ½ m
long and gave it to
his friends. What part of the yarn
was left with him?

9. •What are given?
•What is being asked?
•What operation will you used?
•What is the number
sentence?

10. Group Activity
The Boy Scouts are going on a
20-km hike. After hiking 6 1/3 km
on the first hour and 5 ½ km on
the second hour, how far do they
still have to go?

11. Performing the Activities

12. GROUP 1
Solve the problem through concrete
models.

13. GROUP 2
Solve the problem through bar model.

14. GROUP 3
Solve the problem through fraction strips.

15. GROUP 4
Solve the problem through role playing

16. GROUP 5
Solve the problem through diagram

17. Processing the Activities
•How did you find the activity?
•How did you get the answer?
•Where you able to got the
answer correctly?
•Did you work cooperatively
with your team during the
activity?

18. Explore and Discover
2/9 of the
moviegoers are
adults. If there are 95
more children than
adults, how many
children are there in
the cinema?

19. How will you solve for the answer to the problem?
Using box model.
2 boxes represents two adults which is 2/9 of
the totalnumber of moviegoers.
7 boxes represent children which
is 7/9 of thetotalnumber of moviegoers.
5 boxes represent theexcess numberof
children

20. Since there are 95 more children, then to find the
Number of person in each box is :
95 ÷5 = 19
Answer:
Thus, the total number of children is 19 x 7boxes is
Equal to 133.

21. KEEP MOVING !
Read, analyze and solve the problem.
¼ of Dingdong pack is corn and the rest is
Nuts. 3/5 of the nuts are peanuts and the rest
are cashew nuts. What fraction of the whole
pack are cashew nuts?

22. Generalization
How do we solve word problems
involving fractions and mixed
number? What are the steps?
What are the different strategies?

23. 1. Whatis thedifferencewhen6 5/8 is
subtracted from 21 7/12?
2. The rice dispenser can hold49 ¾ kg of rice
whenfull.Rita put 42 ½ kg of rice in the
dispenser. How many more kilogram of rice are
needed to filltherice dispenser?

24. ENRICHMENT
3. Freddie sold 5 ½ kg of avocados while Rose
sold 3 kilograms. How many kilograms of
avocadoes did the two sell together?
4. Tyler and Katestarted a lemonadestand to
raise money. They donated 1/5 of their
profits to their school library, 1/10 to the
animalshelter and 8/20 to thefood bank.
They saved the rest to buy materials for their
next project. What fraction of their profits
did they donate?

25. 5. A fire truck has a long ladder thatis made of 3
sections. Each sections is 43/4 meters long. How
long is the ladder whenall 3 sections are
extendedto make one long ladder?
6. Johnand Liza were playing a video game and
trying to get allof the treasure. John got 12 1/3
of the treasure. Elizabethgot 6 5/9 of the
treasure. How many treasure did thetwo get all
together?