1. Rounding Off Stage 4 Years 7 & 8 Press Ctrl-A ©2009 G Dear – Not to be sold/Free to use

2. 2 6.4 6.4  6.9 6.9  6.2 6.2  6.7 6.7  6.5 6.5  6.8 6.8  6.1 6.1  6.3 6.3  Rounding Off Decimals Estimate the position of the decimal and so round it off. 6 7 6 7 7 7 6 7 6 6 End of Slide

3. 3 3.14 3.14  3.19 3.19  3.12 3.12  3.17 3.17  3.15 3.15  3.18 3.18  3.11 3.11  3.13 3.13  Estimate the position of the decimal and so round it off. 3.1 3.2 3.1 3.2 3.2 3.2 3.1 3.2 3.1 3.1 Rounding Off Decimals End of Slide

4. 4 To round of decimals 1.Cross off decimal places not needed. 3.83532 decimals places Round 3.8353 to 2 decimals places 5 or greater 1 2.If the next digit is 5 or greater then add ‘1’ to the last digit. 3.84 3.83533 decimals places Round 3.8353 to 3 decimals places 3.835 Rounding Off Decimals End of Slide

5. 5 [] b) 2.2523 [1] [] c) 45.278 [2] [] d) 4.3593 [0] [] a) 4.7573 [3] Round off the decimals to the number [ ] of paces indicated in [ ].  4.757  2.3  45.28  4     Rounding Off Decimals End of Show Rounding Decimals