Units of Measurement and Conversion Basics
Fundamentals of length, mass, and capacity units along with prefix meanings. Learn how to convert between different units through practical examples. Enhance your understanding and proficiency in measurements.
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Presentation Transcript
Starter What units of length do you know? What units of mass do you know? What units of capacity do you know?
rearrange uneven incorrect irregular unlucky What do all of these words have in common? illegal disrespect improper uncertain unnecessary
re-arrange un-even in-correct ir-regular un-lucky What do all of these words have in common? il-legal dis-respect im-proper un-certain un-necessary
Prefix Kilo - Meaning Thousand (1000) Hundred (100) Ten (10) One (1) Tenths (0.1) Hundredths (0.01) Thousandths (0.001) Length kilometre Mass kilogram Capacity kilolitre Hecto - hectometre hectogram hectolitre Deca - decametre decagram decalitre *base unit metre gram litre Deci - decimetre decigram decilitre Centi - centimetre centigram centilitre Milli - millimetre milligram millilitre
Divide by 100 Divide by 1000 Divide by 10 mm cm m km Multiply by 100 Multiply by 1000 Multiply by 10 = 1 200 cm = 3 000 000 mm = 1 750 mm a) Convert 12 metres to centimetres b) Convert 3 kilometres to millimetres c) Convert 1.75 metres to millimetres
Divide by 1000 Divide by 1000 mg g kg Multiply by 1000 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
Divide by 100 Divide by 10 mL cL L Multiply by 100 Multiply by 10 = 120 cL = 3.3 L = 750 mL a) Convert 1.2 litres to centilitres b) Convert 3300 millilitres to litres c) Convert 75 centilitres millilitres
You also need to know: 1 cm = 1 mL 1m = 1000 L
Convert the following: 7 m to cm 6000 mg to g 0.5 L to mL 9 cm to mm 75 cm3 to mL 450 cL to L 370 m to km 190 mL to cL 8500 L to m3
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 mL 5. 52.5 cL 6. 465.4 L D: Exam Questions 1. 140 mL = 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
