Joseph is planning to make a geometric collage of a volcano. He has a piece of navy blue cloth that is 17 cm long and 15 cm wide. He plans to cut it diagonally into two triangles. The document discusses deriving the formula for finding the area of a triangle. It states that the area of a triangle is equal to one-half base times height. It works through an example of finding the area of one of the triangles formed from Joseph's cloth, which is 127.5 cm^2. The document provides practice problems for readers to find the area of additional triangles.
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- Definition of Angles
- Parts of Angles
- Protractor
- Kinds of Angles
- Measuring Angles
The Assignment on the last slide is for them to have a background on the next lesson.
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* Soft copy of the WHOLE ppt slides with effects
ACCEPTING COMMISSIONED POWERPOINT SLIDES
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- Definition of Angles
- Parts of Angles
- Protractor
- Kinds of Angles
- Measuring Angles
The Assignment on the last slide is for them to have a background on the next lesson.
This presentation is based on CCSS.Math.Content.5.OA.A.1 Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols.
CCSS.Math.Content.5.OA.A.2 Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation “add 8 and 7, then multiply by 2” as 2 × (8 + 7). Recognize that 3 × (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product
Proper; Improper & Mixed Number FractionsLorenKnights
How many equal parts of a whole. We call the top number the Numerator, it is the number of parts we have.
We call the bottom number the Denominator, it is the number of parts the whole is divided into.
This presentation is based on CCSS.Math.Content.5.OA.A.1 Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols.
CCSS.Math.Content.5.OA.A.2 Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation “add 8 and 7, then multiply by 2” as 2 × (8 + 7). Recognize that 3 × (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product
Proper; Improper & Mixed Number FractionsLorenKnights
How many equal parts of a whole. We call the top number the Numerator, it is the number of parts we have.
We call the bottom number the Denominator, it is the number of parts the whole is divided into.
Explains about the concept ,formula,and solving problems on area of a square and parallelogram.The development of a formula is also explained with the help of examples for both triangle and parallelogram.The power point is made for VIIth standard s.s.c board text book.
ESL Helpful Handouts-Shapes And PlacesSusan Watson
This English as a second language/English as a foreign language handout uses shapes to explain prepositions of location. It is from ESL Helpful Handouts at http://sites.google.com/site/eslhelpfulhandouts
This English as a second language/English as a foreign language handout uses shapes to explain prepositions of location. It is intended for beginner level English as a foreign language learners.
Biological screening of herbal drugs: Introduction and Need for
Phyto-Pharmacological Screening, New Strategies for evaluating
Natural Products, In vitro evaluation techniques for Antioxidants, Antimicrobial and Anticancer drugs. In vivo evaluation techniques
for Anti-inflammatory, Antiulcer, Anticancer, Wound healing, Antidiabetic, Hepatoprotective, Cardio protective, Diuretics and
Antifertility, Toxicity studies as per OECD guidelines
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
4. Joseph is planning to make a
geometric collage of the scenic
Mayon Volcano. In his drawing canvas,
he plans to make a triangle using a
piece of navy blue cloth. He already
has a piece of cloth 17 cm long and
15cm wide so he decided to cut it
diagonally into 2. What is the area of
the resulting triangles?
5.
6. • What kind of figures will be
formed by Joseph?
• Will the figures have the same
size, shape or area?
• How will you find the area of the
figures formed?
7. • I studied the situation and this is what I know ...
_____________________________________________
_____________________________________________
• This is what I don’t know ...
_____________________________________________
_____________________________________________
• This is what I need to know ...
_____________________________________________
_____________________________________________
• Here is how I solved the problem...
8.
Length = 17 cm, width = 15 cm
Recall: Area of a Quadrilateral = L x W or Base x Height or b x h
Area of a Triangle = 1/2 x (b x h)
= 1/2 x (17 cm x 15 cm)
= 1/2 x (255 cm2)
= 127.5 cm2
9. 2
1
A = x (15 cm x 8 cm)
= x (120 cm2
)
= 60 cm2
2
1
10. A = x (15 cm x 12 cm)
= x (180 cm2
)
= 90 cm2
2
1
2
1
11. A = x (17 cm x 15 cm)
= x (255 cm2
)
= 127.5 cm2
2
1
2
1
12. Try them yourself!
Find the area of the following triangles:
Let's check!
A = 105 cm2
A = 114 cm2 A = 39 cm2
13. • I studied the situation and this is what I know ...
_____________________________________________
_____________________________________________
• This is what I don’t know ...
_____________________________________________
_____________________________________________
• This is what I need to know ...
_____________________________________________
_____________________________________________
• Here is how I solved the problem... (How did you
derive the formula for the area of a triangle?)
15. I am a triangle. My base is
_________ and my height is
__________. Therefore my area
is ________________.
16. Test Yourself!
1. b = 10 cm, 2. b = 6 cm, 3. b = 8cm,
h = 12 cm h = 7 cm h = 9cm
A = __________ A = ___________ A = ____________
= __________ = ___________ = ____________
Illustrate the triangle with the following dimensions and find
the area. Use your ruler to draw the triangle and the gridlines.
Draw inside the box and solve for the area below each triangle.
17. Assignment:
Cut out a triangle and paste itCut out a triangle and paste it
on your notebook. Measure theon your notebook. Measure the
base and the height using thebase and the height using the
ruler and find the area. Solveruler and find the area. Solve
below the triangle.below the triangle.