1. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Units of length Perimeters Perimeter Perimeter www.mathsrevision.com Area Counting squares Area Rectangle Problem Solving Length Area of Triangle Measuring Length

2. Level 2 Starter Questions 10-Jul-16Created by Mr. Lafferty Maths Dept. Q1.Solve the equation3a = 27 Q2.Find two numbers that multiply to give 18 and subtract to give 3. Q3.Solve the equation x – 30 = 55 Q4.True or false 4 x 5 + 7 = 27 www.mathsrevision.com

3. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Learning Intention Success Criteria 1.Be able identify units on a ruler. 1We are learning how to measure length. 2. Be able to measure accurately length of an object. Measuring Length

4. 13cm 8.5cm Measuring a Line Start at 0 NOT the edge of the ruler

5. 6.2cm 2.6cm

6. 9.1 cm 3.9 cm

7. Draw a line 4.2 cm Drawing Lines Draw a line 9.4 cm

8. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Now try TJ2a Ex 1 Ch13a (page 113) www.mathsrevision.com Measuring Length

9. Level 2 Starter Questions 10-Jul-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Q1. ¼ of 56 Q2.Find two numbers that multiply to give 10 and add to give 7. Q3.Solve the equation x + 26 = 67 Q4.True or false 7 x 7 + 1 = 51

10. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Learning Intention Success Criteria 1.Remember the 4 units of length. 1We are learning the 4 metric units of length. 2. Be able to convert between them. Units of Length

11. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Units of Length The 4 units of length are : The metre : This is the standard unit of length and is approximately the distance from your nose to the end of your outstretched arm. This is of a metre and is about the width of your pinky nail. 100 th The centimetre : This is of a centimetre and is aboutthe width of a sewing needle. The Millimetre : This is metres and is about the length of 10 football pitches. The Kilometre : 1000

12. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Units of Length Converting Measurements www.mathsrevision.com Kilometres (km) metres (m) centimetres (cm) millimetres (mm)

13. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Units of Length Converting Measurements www.mathsrevision.com Examples Convert 2m to cm : 2 x 100 = 200 cm Convert 4km to m : 4 x 1000 = 4000 m Convert 34cm to mm : 34 x 10 = 340 mm Convert 50cm to m : 50 ÷ 100 = 0.5 m

14. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Now try TJ2a Ex 2 Ch13 (page 116) www.mathsrevision.com Units of Length Converting Measurements Units of Length Converting Measurements

15. Level 2 Starter Questions 10-Jul-16Created by Mr. Lafferty Maths Dept. Q1.Solve the equation6a = 96 Q2.Find two numbers that multiply to give 24 and subtract to give 5. Q3.Solve the equation x – 14 = 13 Q4.True or false 6 x 8 - 9 = 41 www.mathsrevision.com

16. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Learning Intention Success Criteria 1.Read questions carefully. 1We are problem solving involving length. 2. Be able solve context problems involving length. Units of Length

17. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Units of Length A set of baby blocks are stacked one on top of the other. The length of the large cube is 20cm, medium 13cm and the small is 8cm. How high is the stack ? 4 1

18. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Units of Length A joiner needs a length of wood 173cm long. He only has a length of wood 2m long. How many centimetres will he need to cut off the 2m length ? 2 7 2m = 200cm

19. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Now try TJ2a Ex 3 Ch13a (page 118) www.mathsrevision.com Units of Length Converting Measurements Units of Length Converting Measurements

20. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Starter Questions www.mathsrevision.com Q1.True or false 2.3 x 8 = 18.4 Q2.Convert 5.4km to m Q3.Solve the equation 2c = 34 Q4.True or false 2 x 15 + 7 = 37

21. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Learning Intention Success Criteria 1.Understand the term perimeter of a shape. 1. We are learning the term perimeter of a shape. 2. Calculate the perimeter of a shape. Perimeter

22. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Perimeter www.mathsrevision.com What is perimeter ? Hint answer is on the screen !

23. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Perimeter Perimeter www.mathsrevision.com

24. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Perimeter Perimeter www.mathsrevision.com

25. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Perimeter is the distance round the outside of a 2D shape Perimeter www.mathsrevision.com

26. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. 6cm Calculate the perimeter of the rectangle below. 3cm Perimeter = 6 +3 +6 +3 = 18cm Perimeter www.mathsrevision.com Demo

27. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Below is a drawing of the school building. Calculate the perimeter. Perimeter www.mathsrevision.com Problem 4 m 9 m 8 m x m 12 m 4 m x = 12 – 9 =3 m Perimeter = 12 + 8 + 3 + 4 + 9 + 4 = 40 m

28. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Now try TJ2a Ex 4 Ch13a (page 119) www.mathsrevision.com Perimeter Perimeter

29. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Starter Questions www.mathsrevision.com Q1.25% of 360 Q2.Convert 7.2km to m Q3.Solve the equation 8a = 72 Q4.True or false 3 x 9 + 7 = 35

30. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Area Counting Squares www.mathsrevision.com Learning Intention Success Criteria 1.To understand the term area. 1We are learning the term area. 2.Find the area by counting squares.

31. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Area Counting Squares www.mathsrevision.com The area of a shape is simply defined by : “the amount of space a shape takes up.” Think of a square measuring 1 cm by 1cm we say it is : 1cm 1cm 2 ( 1 square centimetre )

32. 10-Jul-16Created by Mr. Lafferty Maths Dept. Calculate the area of the yellow shapes. 8 cm 2 8 cm 2

33. 10-Jul-16Created by Mr. Lafferty Maths Dept. Calculate the area of the yellow shapes. 13 cm 2 3 cm 2

34. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Now try TJ2a Ex 1 Ch13b (page 122) www.mathsrevision.com Area Counting Squares

35. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Starter Questions www.mathsrevision.com Q2.Convert 3.5km to m Q1.10% of 120 Q3.The answer to the question is 90. What is the question.

36. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Area of a Rectangle www.mathsrevision.com Learning Intention Success Criteria 1.Remember area formula for a rectangle. 1. Develop a formula for the area of a rectangle. 2.Apply formula correctly. (showing working) (showing working) 3.Answer containing appropriate units appropriate units

37. Level 2 10-Jul-16 Created by Mr. Lafferty Maths Dept. Area of a Rectangle www.mathsrevision.com 31 3 43 2 3 6 12 X = X = X = LAB L L L B B B L = length B = Breadth Must learn formula ! 1 cm Area = length x breadth A = L x B

38. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Area of a Rectangle www.mathsrevision.com Example Find the area of the rectangle opposite L = 9cm B = 2cm Area = Length x Breadth A = L x B A = 9 x 2 A = 18 cm 2 Demo

39. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Area of a Rectangle www.mathsrevision.com Example Find the breadth b of the rectangle. 9cm b cm A = l x b 9b = 36 A = 36cm 2 (÷9) 36 = 9 x b b = 4 cm Remember units

40. 10-Jul-16Created by Mr. Lafferty Maths Dept. John wants to re-turf his lawn. (a) Calculate the area he needs to cover in m 2. A = l x b = 7 x 3 = 21m 2

41. 10-Jul-16Created by Mr. Lafferty Maths Dept. (b)Given one roll of turf covers 3m 2. How many rolls will John need. Calculate the total cost if one roll of turf costs £14.40. 14.40 x7 £100.80 7 rolls

42. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Now try TJ2a Ex 2 Ch13b (page 124) www.mathsrevision.com Area

43. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Starter Questions www.mathsrevision.com Q1.Calculate 50% of £90 Q3.Convert 5.7m to cm Q2.True or false the perimeter of the shape is 130cm and the area is 46cm. 13cm 10cm

44. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Learning Intention Success Criteria 1.Remember the area formula for a right-angled triangle. area of any 1.Develop the formula for the area of any right-angled triangle. 2.Use formula to work out area of triangle. 3.Show all working and units. Area of A Right-Angled Triangle

45. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Calculate the area of this shape 8cm A = l x b A = 10 x 8 A = 80cm 2 10cm www.mathsrevision.com Area of A Right-Angled Triangle

46. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Vertical Height base www.mathsrevision.com Area of A Right-Angled Triangle Demo

47. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Calculate the area of this shape 12cm 6cm www.mathsrevision.com Area of A Right-Angled Triangle

48. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Calculate the area of this shape 3cm 4cm Area of A Right-Angled Triangle www.mathsrevision.com

49. Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Now try TJ2a Ex 3 Q4 Ch13b (page 127) www.mathsrevision.com Area