1. 1 ScientificNotation Press Ctrl-A ©2009 – Not to be sold/Free to use Stage 5 Year 9

2. 2 red arrow green arrow 2. How many places is it from the red arrow  to the green arrow  (where decimal point was)? (with direction) Scientific Notation – Large Numbers (Also known as Standard Notation) 1.Move the decimal point from where it is  Write 354 000 in scientific notation. How? 3.54 x 10 ?  +5 10 5 3.54 x 10 5  2  to the standard position.  (After the first non-zero number from the left.) 12345

3. 3 34500. Scientific Notation – Large Numbers 1.Move the decimal point to the right the number of places as indicate by the index, adding zeros as needed. Write 3.45 x 10 4 in normal notation. 3.45 1 2 3 4 2.Fill in any missing zeros 345. 3 AAMath

4. 4 B 3751 A C D 3.751x10 3 3751x10 3 3751x10 1 37.51x10 2 A B C D

5. 5 B 91000 A C D 9.1x10 3 9.1x10 4 91x10 3 91x10 4 A B C D

6. 6 B 904 A C D 904x10 0 90.4x10 1 9.04x10 2 904x10 2 A B C D

7. 7 Scientific Notation – Small Numbers Write 0.004 35 in scientific notation. How? 7   red arrow green arrow 2. How many places is it from the red arrow  to the green arrow  (where decimal point was)? (with direction) 1.Move the decimal point from where it is  4.35 x 10 ? -3 10 -3 4.35 x 10 -3 to the standard position.  (After the first non-zero number from the left.)-2-3 AAmath

8. 8 Scientific Notation – Small Numbers 1.Move the decimal point to the left the number of places as indicate by the index, adding zeros as needed. Write 3.45 x 10 - 4 in normal notation. 3.45 1 2 3 4 2.Fill in any missing zeros 0. 3450.000345 8 AAMath

9. 9 B 0.147 A C D 147x10 -3 3751x10 -3 1.47x10 -1 14.7x10 -2 A B C D

10. 10 B 0.000098 A C D 98x10 0 9.8x10 1 98x10 -6 9.8x10 -5 A B C D

11. 11 B 0.0034 A C D 3.4x10 -4 3.4x10 -3 34x10 -3 34x10 3 A B C D