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