Guro Ako
Lesson 50- Visualizing ratio using the colon(:) or fractionSecond Grading Period, Week 8ObjectiveExpresses ratio using either the colon(:) or fractionValue Focus: Kindness and SharingPrerequisite concepts and skills: Reading ratioComparing two quantities using ratioMaterials: real objects, illustrationsReferences: M5NS-IIh-123, LG Grade V p. 219, 224-22521st century Mathematics Grade 4, pp. 272-274Instructional ProceduresPreliminary ActivitiesDrillHave a drill in comparing two quantities using ratioThe cost of the different fruits are as shown. 4419600254032575502540220027525401276350254043815059690CAvocado Papaya Pineapple Apple Banana 8.00 12.00 25.00 15.00 5.00Give the comparison of cost of the following.Avocado to Banana _________________Banana to Papaya_________________Avocado to Apple_________________Apple to Papaya_________________Pineapple to Avocado_________________ReviewFrom the previous lesson you have learned that ratio is the comparison of one quantity or number to another.You taught how to read the ratio. Read the following comparison and write the ratio12 chairs to 3 tables5 out of 121 day to a week10 boys to 20 girls2 pencils for 5 pesosMotivationAsk the pupils if they have gone through a candy store, what things they bought and the amount they paid.Developmental ActivitiesPresentationRona and Alice went to a candy store. Rona bought 10Halayang Ube for P20.00, 6pcs of polvoron for P30.00. After a while they ate together. What is the ratio of polvoron to halayangube?Values IntegrationAsk: What trait did Rona Show?Give emphasis to the situation that shows kindness and sharing. Lead the pupils to see that kindness and sharing is important.How will you answer the question on the problem?Performing the ActivityThe pupils will form four groups and will be ask to list down the number of polvoron and halayangube and complete the table below. Items Bought AmountFraction FormColon Form(:) Polvoron ____ ____ : ______ Halayang UbeProcessing the Activities.Let them present their output on the board. In how many ways did you show your answer? Expected answer: two waysReinforcing the concept and skillDiscuss the presentation on Explore and Discover on page___ of LM Math Grade 5Ask the pupils to work on the items under Get Moving LM Math Grade 5 page __ .Check the pupils answer. For mastery, have them answer items under Keep Moving, LM Math Grade V page __. Check the pupils answerSummarizing the Lesson Lead the pupils to give the following generalization by asking: In how many ways will you write ratio? What are the two ways you can write ratio?There are two ways we can write ratio. We can write ratio in fraction form and in colon formApplying to New and Other SituationAsk the pupils to do items 1 to 5 under Apply your skills on page ____ of LM Math Grade V.AssesmentWrite the following ratio in Fraction form and Colon form.Fraction FormColon Form2 teachers to 46 pupils4 books to 10 pupils12 flowers to 4 vases21 garbage cans to 14 classrooms36 glasses of juice to 30 sandwichesHome ActivityIllustrate the following ratio8 red balls to 12 blue balls3 glasses to 7 cups5 Cellphones to 3 Tablets ................
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