1. 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

2. Metric Measures distance / length / width / height mm, cm, m, km millimetres centimetres metres kilometres

3. 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

4. Some common conversions to memorize  10mm = 1cm  100cm = 1m = 1000mm  1000m = 1km  1m ≈ 3feet =1 yard  8km ≈ 5 miles  30cm ≈ 12 inches=1foot

5. Metric Conversions mmcm mkm  by 10  by 100  by 1000 x by 10 x by 100x by 1000

6. Change these units 23cm = mm 96mm = cm 120cm = m 2.53m = cm 4500m = km 0.75km = m 4.5 9.6 1.2 253 230 750

7. Change these units using intermediate steps 1238mm = cm m1.238123.8 14000cm = m km0.14140 24500cm = m km2450.245

8.  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

9. Metric Measures Capacity/volume ml, cl, l, kl millilitres centilitres litres kilolitres

10. Some rough measurements  a tea cup  the petrol tank of a car  a teaspoon  the bath  A fish tank

11. Some common conversions to memorize  10ml = 1cl  100cl = 1l = 1000ml  1000l = 1kl  1l = 1000cm ³

12. Conversions mlcl lkl  by 10  by 100  by 1000 x by 10 x by 100x by 1000

13. Change these units 23cl = ml 96ml = cl 120cl = l 2.53l = cl 4500l = kl 0.75kl = l 4.5 9.6 1.2 253 230 750

14. Change these units using intermediate steps 1238ml = cl l1.238123.8 14000cl = l kl0.14140 24500cl = m kl2450.245

15.  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

16. 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

17. 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

18. 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

19. 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

20. Other measures - salaries Salaries or wages is amount of money per unit of time or even per item  £20 000 per year  £6.25 per hour  £0.10 per paper delivered  £2.60 per 100 envelopes stuffed Sometimes known as piece work

21. 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

22. 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