METRIC MEASURES Know the different units for length, weight, capacity (also in abbreviated form) Be able to convert from one metric unit to another Have a rough idea of imperial to metric conversions
Metric Measures distance / length / width / height mm, cm, m, km millimetres centimetres metres kilometres
Some rough measurements a ruler the height of a man the height of a house the distance to Marble Arch How far can you walk in 20 minutes
Some common conversions to memorize 10mm = 1cm 100cm = 1m = 1000mm 1000m = 1km 1m ≈ 3feet =1 yard 8km ≈ 5 miles 30cm ≈ 12 inches=1foot
Metric Conversions mmcm mkm by 10 by 100 by 1000 x by 10 x by 100x by 1000
Change these units 23cm = mm 96mm = cm 120cm = m 2.53m = cm 4500m = km 0.75km = m
Change these units using intermediate steps 1238mm = cm m cm = m km cm = m km
I know roughly which units to use to estimate a length I can change one unit to the next by multiplying or dividing by 10, 100 or 1000 correctly 5 miles ≈ 8 km The width of my little finger ≈ 1 cm A ruler is 30cm ≈ 12 inches=1 foot distance / length / width / height
Metric Measures Capacity/volume ml, cl, l, kl millilitres centilitres litres kilolitres
Some rough measurements a tea cup the petrol tank of a car a teaspoon the bath A fish tank
Some common conversions to memorize 10ml = 1cl 100cl = 1l = 1000ml 1000l = 1kl 1l = 1000cm ³
Conversions mlcl lkl by 10 by 100 by 1000 x by 10 x by 100x by 1000
Change these units 23cl = ml 96ml = cl 120cl = l 2.53l = cl 4500l = kl 0.75kl = l
Change these units using intermediate steps 1238ml = cl l cl = l kl cl = m kl
I know roughly which units to use to estimate a volume or capacity of a container I can change one unit to the next by multiplying or dividing by 10, 100 or 1000 correctly 2 pints ≈ 1 litre 1 litre = 1000cm 3 4.5 litres ≈ 1 gallon Capacity/volume
Other measures - Area Area Tape measure Tape measure Square units Square units Larger - Smaller Larger - Smaller cm 2, sq. cm. km 2, sq. km. m 2, sq. m. l x w Some units Some formulas
Some Areas Area of a football pitch 100m by 60m = 6000 m 2 = 6000 m 2 Area of a bedroom 3.7m by 2.5m = 9.25m 2 = 9.25m 2 Area of a postage stamp 2cm by 3cm = 6 cm 2 = 6 cm 2
Some Areas of Countries Albania: total: 28,748 sq km land: 27,398 sq km water: 1,350 sq km Angola: total: 1,246,700 sq km land: 1,246,700 sq km water: 0 sq km Afghanistan: total: 652,000 sq km land: 652,000 sq km water: 0 sq km Anguilla: total: 91 sq km land: 91 sq km water: 0 sq km
Other measures - speed Velocity or speed is distance per unit of time Metres per second Miles per hour Kilometres per hour Centimetres per minute Space craft Cars in Britain Cars in Europe Speed of a slow ant
Other measures - salaries Salaries or wages is amount of money per unit of time or even per item £ per year £6.25 per hour £0.10 per paper delivered £2.60 per 100 envelopes stuffed Sometimes known as piece work
Other measures - Volume Volume or capacity Amount of space in a box Amount of air in a room Amount of water in the pool Amount of helium in a balloon cm 3 or m 3 m 3 litres or m 3 cm 3 or m 3
Other measures - Volume Tape measure Tape measure Cubic units Cubic units 1 litre is 1000 cm 3 1 litre is 1000 cm 3 l x w x h Some formulas Cross section of a prism times the length of a prism