Lesson 7-3 Scientific Notation • HW • Study links 7-3 • Mental Math • 3.4 X 10= • Answers • • • • • • 34 340 3,400 241 2,410 24.1 Today we will learn • Expressing numbers in Scientific notation Review • • • • • • Different forms of expressing number Standard form Word form Exponential Expanded form: 236 = 200 +30 +6 Number word form: 2 hundred 36 Guided Practice • Math Journal pg 214 • Complete problems 1 to 10 independently • Read the introduction to Scientific notation on the journal page • Complete problems 11-14 Math Journal pg 215 • Select an event from pg 215 and read in scientific notation, how many years ago the even t took place? • Use the place value to write in Scientific notation Scientific notation in decimals Think about it and explain in words Independent Practice • Math Journal pg 217 and 218 • As many problems as you can complete • Compulsory problems ( Math boxes 1 to 4) Closure • Checklist: • I can convert fraction to decimal and percent • I can add and subtract fraction with same denominator • I can express numbers in different form: Standard, Word, Expanded, Scientific