Decimals Four rules of number Example Work out each of the following 6.245 + 2.314 + 1.29 85.6 + 145.23 + 1.008 + 34.1 6.425 + 0.75 + 8

Example A length of cable is cut into three pieces of lengths 7.59 metres, 1.3 metres and 0.305 metres. How long was the length of cable before it was cut?

Example Work out the perimeter of the triangle below 7.8 cm 6.817 cm 5.06 cm

Example Work out each of the following 42.4 – 31.2 8.674 – 1.925 46.3 – 23.15 85.3 – 37.276

Example A car starts a journey with 37 litres of petrol. At the end of the journey there are only 12.9 litres left. How many litres did the car use?

Example Workout each of the following 12.3 x 3 4.27 x 4 4.03 x 26 0.274 x 37

Example Workout each of the following 0.02 x 3 0.08 x 0.04 1.2 x 0.9 0.15 x 0.04

Example Workout each of the following 6.72  2 10.62  3 6.34  4 0.544  4

Example Workout each of the following a) 0.008  0.02 b) 0.72  0.9 c) 4.8  0.004 d) 12.5  0.05 e) 31.44  0.0003