Saturday, December 08, 2018 Decimals Division of decimals
Solve each of the following (a) 2 1 . 9 8 (b) 8 2 . 5 6 (c) 3 1 9 . 6 Example Solve each of the following (a) 2 1 . 9 8 (b) 8 2 . 5 6 (c) 3 1 9 . 6 2 Example Work out (a) 5.23 4 (b) 1.42 8 (c) 21.3 5 (d) 120.48 3
Example Angela earns £48.24 in a part-time job. If she works 9 hours a week, what is her hourly rate of pay?
Example My quarterly gas bill (13 weeks) was £198.25 How much will each receive?
To divide by 10 move the decimal point one place to the left. Dividing by powers of 10 To divide by 10 move the decimal point one place to the left. Example Work out each of the following 57.48 10 190.33 10 0.279 10
To multiply by 100 move the decimal point two place to the left. Example Work out each of the following 598.95 100 4.738 100 16.1 100 0.08 100
To multiply by 1000 move the decimal point three place to the left. Example Work out each of the following 9487 1000 25.47 1000 6.54 1000 0.047 1000