24 May 2021 Metric units Lesson Objectives Developing

24 May 2021 Metric units Lesson Objectives: Developing students will be able to identify the main metric units of measure. Secure students will be able to identify the prefixes of metric units of measures and what they mean. Starter What units of length do you know? What units of mass do you know? What units of capacity do you know? Excelling students will be able to convert between metric units of measure. Keywords Prefix, metre, gram, litre, milli-, centi-, deci-, kilo-, length, mass, volume, capacity, weight, area

24 May 2021 Metric units Prefix Meaning Length Mass Capacity Kilo - Thousand (1000) kilometre kilogram kilolitre hectometre hectogram hectolitre decametre decagram decalitre metre gram litre Hecto - Hundred Deca *base unit (100) Ten (10) One (1) Deci - Tenths (0. 1) decimetre decigram decilitre Centi - Hundredths (0. 01) centimetre centigram centilitre Milli - Thousandths (0. 001) millimetre milligram millilitre

24 May 2021 Metric units Divide by 100 Divide by 10 mm cm Multiply by 10 Divide by 1000 m Multiply by 100 a) Convert 12 metres to centimetres b) Convert 3 kilometres to millimetres c) Convert 1. 75 metres to millimetres km Multiply by 1000 = 1 200 cm = 3 000 mm = 1 750 mm

24 May 2021 Metric units Divide by 1000 mg g Multiply by 1000 kg Multiply by 1000 a) Convert 350 grams to kilograms b) Convert 4 400 000 milligrams to kilograms c) Convert 0. 056 kilograms to grams = 0. 35 kg = 4. 4 kg = 56 g

24 May 2021 Metric units Divide by 100 Divide by 10 m. L c. L Multiply by 100 a) Convert 1. 2 litres to centilitres b) Convert 3300 millilitres to litres c) Convert 75 centilitres millilitres = 120 c. L = 3. 3 L = 750 m. L

Metric units 24 May 2021 Lesson Objectives: Developing students will be able to identify the main metric units of measure. Secure students will be able to identify the prefixes of metric units of measures and what they mean. You also need to know: 1 cm³ = 1 m. L 1 m³ = 1000 L Excelling students will be able to convert between metric units of measure. Keywords Prefix, metre, gram, litre, milli-, centi-, deci-, kilo-, length, mass, volume, capacity, weight, area

24 May 2021 Metric units On whiteboards, convert the following: 7 m to cm 6000 mg to g 9 cm to mm 450 c. L to L 0. 5 L to m. L 75 cm 3 to m. L 370 m to km 190 m. L to c. L 8500 L to m 3

Metric units 24 May 2021 Lesson Objectives: Developing students will be able to identify the main metric units of measure. How confident do you feel with this topic? Secure students will be able to identify the prefixes of metric units of measures and what they mean. Complete the corresponding activity Write red, amber or green in your book! Excelling students will be able to convert between metric units of measure. Keywords Prefix, metre, gram, litre, milli-, centi-, deci-, kilo-, length, mass, volume, capacity, weight, area

Metric units 24 May 2021 Answers A: Lengths 1. 600 cm 2. 21 cm 3. 5300 m 4. 84 cm 5. 0. 054 km 6. 67 000 mm B: Weights 1. 3 kg 2. 5000 g 3. 0. 56 kg 4. 0. 035 kg 5. 9480 g 6. 0. 256 kg C: Volumes 1. 2 L 2. 50 L 3. 45 L 4. 65 000 m. L 5. 52. 5 c. L 6. 465. 4 L D: Exam Questions 1. 140 m. L = 0. 14 L, Logan is wrong 2. 6. 25 + 4. 75 + 8. 5 = 19. 5 km, Tony did not run 20 km 3. Amy is 1. 83 m

24 May 2021 Metric units Lesson Objectives: Developing students will be able to identify the main metric units of measure. Secure students will be able to identify the prefixes of metric units of measures and what they mean. Excelling students will be able to convert between metric units of measure. 1 question about today’s topic 2 things you learnt today 3 things you knew already Keywords Prefix, metre, gram, litre, milli-, centi-, deci-, kilo-, length, mass, volume, capacity, weight, area