Sec One Express Mathematics ICT Lesson Chapter 7

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Sec One Express Mathematics ICT Lesson Chapter 7: Angles and Parallel Lines 7. 2

Sec One Express Mathematics ICT Lesson Chapter 7: Angles and Parallel Lines 7. 2 Angles A) Angles and Measurements

We can measure a corner of Louvre Museum in Paris, France. B A Le

We can measure a corner of Louvre Museum in Paris, France. B A Le us name the angle The unit of angle Example: C

Sec One Express Mathematics ICT Lesson 7. 2 Angles B) Types pf Angles

Sec One Express Mathematics ICT Lesson 7. 2 Angles B) Types pf Angles

Here are more examples types of angles Complementary angles A B C Note: If

Here are more examples types of angles Complementary angles A B C Note: If the sum of two angles adds up to 90 o D

Sec One Express Mathematics ICT Lesson WHAT HAVE YOU LEARNT?

Sec One Express Mathematics ICT Lesson WHAT HAVE YOU LEARNT?

Let us try this Note: This is a complementary angle where the two angles

Let us try this Note: This is a complementary angle where the two angles adds up to 90 o

Sec One Express Mathematics ICT Lesson WHAT HAVE YOU LEARNT?

Sec One Express Mathematics ICT Lesson WHAT HAVE YOU LEARNT?

Let us try this…

Let us try this…

Sec One Express Mathematics ICT Lesson PROPERTIES OF ANGLES D E Here A B

Sec One Express Mathematics ICT Lesson PROPERTIES OF ANGLES D E Here A B C

Sec One Express Mathematics ICT Lesson WHAT HAVE YOU LEARNT?

Sec One Express Mathematics ICT Lesson WHAT HAVE YOU LEARNT?

Let us try this The sum of adjacent angles on a straight line is

Let us try this The sum of adjacent angles on a straight line is 180 o.

Sec One Express Mathematics ICT Lesson Sum of all angles at a point is

Sec One Express Mathematics ICT Lesson Sum of all angles at a point is o 360 Here 63 o+ 50 o + 75 o + 1100 + c = 360 o Therefore c = 137 o Sum of all angles adds to 360 o

Sec One Express Mathematics ICT Lesson When two straight lines intersect, the vertically opposite

Sec One Express Mathematics ICT Lesson When two straight lines intersect, the vertically opposite angles are equal. S P o Reason: Vertically opposite angles. Q R

Sec One Express Mathematics ICT Lesson WHAT HAVE YOU LEARNT?

Sec One Express Mathematics ICT Lesson WHAT HAVE YOU LEARNT?

Sec One Express Mathematics ICT Lesson Activity I Click on the following link to

Sec One Express Mathematics ICT Lesson Activity I Click on the following link to recall the types of angles. http: //www. mathsisfun. com/angles. html

Ace-Learning Activity • Log on to your Ace-Learning account and follow the instructions

Ace-Learning Activity • Log on to your Ace-Learning account and follow the instructions

Sec One Express Mathematics ICT Lesson Content Hub -> Exploratory Activities

Sec One Express Mathematics ICT Lesson Content Hub -> Exploratory Activities

Sec One Express Mathematics ICT Lesson Exploratory Activities: Geometry -> Complete these 1 Adjacent

Sec One Express Mathematics ICT Lesson Exploratory Activities: Geometry -> Complete these 1 Adjacent angles on a straight line 2 Angles at a point 3 Vertically opposite angles

Sec One Express Mathematics ICT Lesson Exploratory Activities: Alternate Angles Explore the following from

Sec One Express Mathematics ICT Lesson Exploratory Activities: Alternate Angles Explore the following from Ace-learning 1 Adjacent angles on a straight line 2 Angles at a point 3 Vertically opposite angles Follow the activities in this order – Exploration, Understanding & Application!

Sec One Express Mathematics ICT Lesson HAVE FUN!

Sec One Express Mathematics ICT Lesson HAVE FUN!