Revising Basic Angles

1. Angles Level 2 Revising Basic Angles Naming Angles Measuring Angles www.mathsrevision.com Drawing Angles Compass Points Created by Mr.Lafferty Math Dept

2. Starter Questions Level 2 Q1. Convert to the 24 hour clock. (b) 6:50 am (a) 7:25 pm Q2. Write down the type of angle that is less than 90 deg. www.mathsrevision.com Q3. Calculate 2.34 + 4.7 + 0.12 Q4. Round the following to nearest 1000. (a) 12,501 (b) 369,765 Created by Mr.Lafferty Math Dept

3. Type of Angles Level 2 Learning Intention Success Criteria • To be able to identify acute, right-angle, obtuse, straight line and reflex angles. • We are learning about types of angles. www.mathsrevision.com Created by Mr.Lafferty Math Dept

4. Vertical Horizontal Type of Angles Level 2 Acute less than 90o Obtuse Between 90o – 180o Right - Angle exactly 90o www.mathsrevision.com Straight Line Angle exactly 180o reflex over 180o less than 360o Demo Created by Mr.Lafferty Math Dept

5. Type of Angles Level 2 Now try TJ2a Ex 1 Ch6 (page 52) www.mathsrevision.com Created by Mr.Lafferty Math Dept

6. Starter Questions Level 2 Q1. Convert to the 12 hour clock. (b) 05:40 (a) 17:15 Q2. Write down 2 numbers that add to give 8 and multiply to give 15. www.mathsrevision.com Q3. Calculate 5.65 – 1.3 Q4. Round the following to nearest 100. (a) 13,551 (b) 369,449 Created by Mr.Lafferty Math Dept

7. Naming Angles Level 2 Learning Intention Success Criteria • To be able to name an angle. • To explain how we name angles by THREE capital letters with the angle sign. The middle letter being where the angle is. • Understand the difference between the type of angle and the name of an angle. www.mathsrevision.com Created by Mr.Lafferty Math Dept

8. Naming Angles Level 2 A X Y B Z C Type of angle is acute Type of angle is obtuse www.mathsrevision.com Name of angle is ∠ ABC Name of angle is ∠ ZYX MIDDLE LETTER IS ALWAYS WHERE THE ANGLE IS ALWAYS 3 CAPITAL LETTERS Demo Created by Mr.Lafferty Math Dept

9. Naming Angles Level 2 Now try TJ2a Ex 2 Ch6 (page 53) www.mathsrevision.com Created by Mr.Lafferty Math Dept

10. Level 2 Starter Questions www.mathsrevision.com Created by Mr.Lafferty Math Dept

11. (SAS) Starter Questions Q1. Convert the percentages to fractions. (a) 30% (b) 60% Q2. Write down all the numbers that divide into 16. Q3. Calculate the missing angles. 50o 60o Q4. Round the following to 1 decimal place. (a) 4.549 (b) 6.561 Created by Mr. Lafferty

12. Inside scale from 0o to 180o going in an anti-clockwise direction. Outside scale from 0o to 180o going in a clockwise direction. A 180o Protractor

13. You need to be able to measure an angle to the nearest degree. To help you do this you should always: 1. Look directly down onto the cross point. 2. Always use the protractor in a horizontal manner as shown below. 

14. 1 0 on the inside so use inside scale 2 0 on the outside so use outside scale Measuring Angles with a 180o Protractor 50o 67o

15. 3 4 0 on the inside so use inside scale 0 on the outside so use outside scale Measuring Angles with a 180o Protractor 120o 135o

16. Are you on TARGET ? WORKSHEET A D B C E F Label the angles ACB = w° , ACE = x° , DFE = y° , EDF = z° Measure the angles w° , x° , y° and z° Measure the angles ADE, DEC, DEF What type of angles are ADE, DEC, DEF

17. Are you on TARGET ? A D z° w° x° y° B C E F Label the angles ACB = w° , ACE = x° , DFE = y° , EDF = z° Measure the angles w° , x° , y° and z° 35° 145° 50° 40° Measure the angles ADE, DEC, DEF All 90° Find another two right-angles What type of angles are ADE, DEC, DEF Right - Angles

18. Measuring Angles Level 2 Now try TJ2a Ex 3 or sheet Ch6 (page 55) www.mathsrevision.com Created by Mr.Lafferty Math Dept

19. xo 75o Level 2 Level 2 Starter Questions www.mathsrevision.com Created by Mr.Lafferty Math Dept

20. Level 2 Drawing Angles Learning Intention Success Criteria • Be able to use a protractor to draw required angle. • We are learning how to draw angles. www.mathsrevision.com Created by Mr.Lafferty Math Dept

21. Drawing Angles Example : Draw angle RPQ = 30o R X 30o Q P Created by Mr. Lafferty

22. Drawing Angles Example : Draw an angle CAB = 120o B X 120o A C Created by Mr. Lafferty

23. Drawing Angles Level 2 Now try TJ2a Ex 4 Ch6 (page 57) www.mathsrevision.com Created by Mr.Lafferty Math Dept

24. Starter Questions Level 2 Q1. Solve the equation below Q2. Find two numbers that multiply add to give 18 and subtract to give 3. Q3. Find the average and range of the numbers below www.mathsrevision.com 2,8,8,10 Q4. Find Created by Mr.Lafferty Math Dept

25. Compass Points Level 2 Learning Intention Success Criteria 1. Be able to make sense of a map. • We are learning how to write down directions using a map. • Write down accurate directions from a map. www.mathsrevision.com Created by Mr. Lafferty Maths Dept.

26. Navigating Demo Created by Mr. Lafferty Maths Dept.

27. 360/000o N Half way between North and West Half way between North and East NW NE 270o 090o W E SW SE Half way between South and West Half way between South and East S 180o Compass Points Created by Mr. Lafferty Maths Dept.

28. If Gary walks to John then to Barry and then back to where he started. Write down all the directions he took. If Anne walks to Julie then to Amy and then back to where she started. Write down all the directions she took. If Daniel is facing North and turns clockwise to face Anne. How many degrees is this. If Daniel is facing Frances and turns clockwise to face Amy. How many degrees is this. If Amy is facing Paul and turns anti-clockwise to face Daniel. How many degrees is this. Who is North of Daniel Who is East of John Who is South West of Barry Who is North East of Gary Compass Points Level 2 Frances John Barry N Daniel Julie Anne www.mathsrevision.com Amy Gary Paul Created by Mr. Lafferty Maths Dept.

29. I leave the zoo to go back to my car which is in the town car park. Write down the directions I should take. After going to the park I want to go to the cinema. Tea Lane is closed. Write down the directions I should take. There’s a fire at the library. Right down the directions the fire engine should take. I come out of the swimming pool and turn right then left. I go into the building second on my the right. Name the building. I come out of the charity shop and need to catch a bus. Write down the directions to the bus station. I come out of school and go to the Park. Write down the directions I must take. Map Directions Level 2 N www.mathsrevision.com Created by Mr. Lafferty Maths Dept.

30. Have you updated your Learning Log ? Compass Points Level 2 Now try TJ2a Ex 5 Ch6 (page 58) www.mathsrevision.com Created by Mr.Lafferty Math Dept