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1. 1. Lesson 1 - Adding Similar Fractions in Simple or Mixed Forms with Regrouping PREPARED BY: GENELENE B. FERNANDEZ Teacher 1 Bulihan Elementary School
2. 2. DRILL Give the simplest form.
3. 3. 5 10 3 9 4 10 8 10 3 15 5 15 10 20 2 8
4. 4. What is the sum of this model? .
5. 5. In what instances in daily living you encounter addition of fraction and mixed numbers?
6. 6. Mang Justo milked his carabao. He got 3 ½ liters of milk from one carabao and 4 1/5 liters from the other. How much milk did he get in all? • What are the given? • What is asked? • What number sentence can we use to solve the problem? Problem1
7. 7. What if the next day, he got 2 ¾ liters and 5 2/5 liters of milk. How much milk did he get in two days? Problem 2
8. 8. GROUP ACTIVITY
9. 9. What did you do to arrive at an answer to each problem?
10. 10. Add. Reduce the answer to lowest term. 1) + 2) + 3) + + 1 4 3 5 3 4 2 3 3 10 1 2 5 8
11. 11. Add. Reduce the answer to lowest term. 4) + 5) + 6 3 8 9 1 2 23 7 12 18 2 3
12. 12. Solve the problems correctly. 1. Tina spends hour washing the dishes and hour cleaning the kitchen. How many hours does she spend in doing all the chores in the kitchen? 2 8 5 22
13. 13. Solve the problems correctly. 2. Rey consumed liters of white paint and liters of red paint to repaint the fence. How much paint did he use altogether ? 2 3 4 1 2 3
14. 14. GENERALIZATION How do we add dissimilar fraction with regrouping?
15. 15. • Adding dissimilar fractions with regrouping: 1. Use LCD to write equivalent fractions. 2. Add the fractions and add the whole numbers. 3. When the fraction in the sum is improper fraction change it to mixed number. 4. Reduce the answer to lowest term whenever possible.
16. 16. Complete the pyramid by filling in the boxes with the sum of of the two fractions below each box.. . 1 1 5 3 1 8 2 1 12 4 1 10
17. 17. ENRICHMENT 1. Percy spent 1/4 of his money on a food and another 3/10 of his money on a drink. a. What fraction of his money did he spend in total? b. What fraction of Percy’s money was left?
18. 18. 2. Sally has a piece of cloth. She used 1/3 of the cloth to make a pillow cover and another 4/7 of the cloth to make a tablecloth. a. What fraction of the cloth was used altogether for the pillow cover and tablecloth? b. What fraction of the cloth was left over?
19. 19. 3. A container is 1/3 full of water and 1/4 full of oil. What fraction of the container is empty? 4. Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries. What fraction of Kathy’s money was left? 5.Carl used 2/9 of piece of string to tie a parcel and another 1/4 of the string to tie a box. What fraction of the string was left?