Mathematics for Grade 5, Topic: Pie Graph

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Transcript of Mathematics for Grade 5, Topic: Pie Graph

Mathematics 5

COMPLETE

Prayer

Angel of GodMy guardian dearTo whom God’s loveCommits me hereEver this dayBe at my sideTo light and guardTo rule and guideAmen

Math in Everyday Life

There is Math in everyday life, in everyday life (2x)Let us add and subtract,Multiply and divide,There is Math in everyday life, in everyday life (2x)

First Equation

50%

of

100

Second Equation

25%

Of

100

Third Equation

5%

Of

40

Fourth Equation

10%

Of

75

Fifth Equation

20%

of

50

Sixth Equation

15%

0f

100

Answers to equations

1st equation

50

2nd equation:

25

3rd equation:

2

4th equation:

7.5

5th equation:

10

6th equation:

15

Mathematics Science English Filipino Makabayan

85

90

87

92

81

Keane's grade in the 5 major sub-jects

Pizza

It is round/circle

It can be sliced into pieces

1st Qtr2nd Qtr3rd Qtr4th Qtr

Activity 1

PLASTIC60%

CANS15%

VEGETABLES10%

Paper5%

bottles10%

Brgy. Malagasang Garbage Collection in a week

Plastic

Cans

Vegetables

Paper

Bottles

Table 1:

GARBAGE

PERCENT COMPUTATIONMASS (in

metric ton)

bottles 10% .10 x 2000 200

cans

vegetablepaper

plastic

TOTAL 100% 2000

Answer to Table 1:

GARBAGE

PERCENT

COMPUTATION

MASS (in

metric

ton)bottles 10% .10 x 2000 200

cans 15% .15x2000 300

vegetable

10% .10 x 2000 200

paper 5% .05x2000 100

plastic 60% .60x2000 1200

TOTAL 100% 2000

Activity 2- Group Work

washing clothes

1/2

cooking and other things

1/4

bathing1/4

Lorenzo Family's Water Consumption in a month

Washing Bathing

Cooking and other things

Answer the following questions:

1. What is the total monthly water consumption of Lorenzo family?2. How many cubic meter were used forwashing clothes, bathing, cooking and other things?3.Convert the fractional part of the consumption into a percentage form.washing clothes-_____bathing-__________Cooking and other things______

Generalization:

Circle graph is a representation of material that can be given in form of parts of a whole.It is also called a pie graph.We can read and interpret data by using percentage or fraction. The bigger the percent of the item the larger is its part in a circle.

“A Typical Day of Dane”

eating3 hours

school6 hours

Helping at home3 hours

recreation2 hours

homework1 hour

sleeping9 hours

EatingSchoolHelping at homeRecreationHomeworkSleeping

Table 2:

ACTIVITY Number of HOURS SPENT

PERCENTAGE

Eating 3

School 6

Helping… 3

Recreation 2

Homework 1

Sleeping 9

TOTAL 24 100

Answer to Table 2:

ACTIVITY Number of HOURS SPENT PERCENTAGE

Eating 3 12.5

School 6 25

Helping… 3 12.5

Recreation 2 8.3

Homework 1 4.2

Sleeping 9 37.5

TOTAL 24 100

Favorite Subjects Among 100 pupils:

Mathematics30 pupils

English 20 pupils

Science20 pupils

Makabayan15 pupils

Filipino15 pupils

Mathematics English Science Makabayan Filipino

Fill-out the table:

SUBJECTS PERCENTAGEFractional

Form

Mathematics

English

Science

Makabayan

Filipino

Answer :

SUBJECTS PERCENTAGEFractional

Form

Mathematics 30% 3/10

English 20% 2/10 or 1/5

Science 20% 2/10 or 1/5

Makabayan 15% 3/20

Filipino 15% 3/20

Assignment:

Bring the following tomorrow:CompassRulerCrayonsPencilTypewriting paper

THANK YOU!!!