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

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 = 27

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. 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

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

6.2cm 2.6cm

9.1 cm 3.9 cm

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

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

Level 2 Starter Questions 10-Jul-16Created by Mr. Lafferty Maths Dept. 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 = 51

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. 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

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. 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

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

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Units of Length Converting Measurements 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

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

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 = 41

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. 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

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. 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

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. 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

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

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Starter Questions 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 = 37

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. 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

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

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Perimeter Perimeter

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Perimeter Perimeter

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

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

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

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

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

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

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Area Counting Squares 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 )

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

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

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

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

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Area of a Rectangle 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

Level 2 10-Jul-16 Created by Mr. Lafferty Maths Dept. Area of a Rectangle 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

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Area of a Rectangle 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

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Area of a Rectangle 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

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

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 £ x7 £ rolls

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

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. Starter Questions 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

Level 2 10-Jul-16Created by Mr. Lafferty Maths Dept. 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

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 Area of A Right-Angled Triangle

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

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

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

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