Scientific Notation Addition and Subtraction
Presentation
•
Mathematics
•
8th - 10th Grade
•
Hard
Joseph Anderson
FREE Resource
3 Slides • 8 Questions
1
By the end of the lesson, you will know how to add and subtract numbers written in scientific notation, with and without common exponents.
2
Watch the video
Record the examples on your guided notes page as you watch
Ask questions if you don't understand!!
3
Sometimes, you will add scientific notation with a number written in standard form.
You have the option of rewriting the standard form number in scientific notation with the same exponent, or you have the option of writing the scientific notation number in standard form. It is your choice.
Record the example on the right in your notes. Try the problem at the bottom.
4
Multiple Choice
What is the ONLY thing that matters when adding and subtracting numbers in scientific notation?
That the exponents are different
That the constants are the same
That the exponents are the same
That both constants are positive
5
Multiple Choice
When adding and subtracting in scientific notation, what do you do with the constants?
Make them the same
Add/subtract them
Keep them
Multiply/divide them
6
Multiple Select
You need three things for a number to be in proper scientific notation. Must name all three, but do not answer more than three.
Which three are they???
must be in base 10
the number left of the decimal must be between 1 and 9 (including 1&9)
must have a ninja one
must have an exponent
the number left of the decimal must be negative
7
Multiple Choice
8
Multiple Choice
(2.0×105) + (2.0×104) =?
4.0 × 102
2.0 ×101
2.2×104
2.2×105
9
Multiple Choice
(8 x 104) - (2 x 104)
16 x 1016
16 x 108
6 x 108
6 x 104
10
Multiple Choice
11
Poll
How do you feel about Adding & Subtracting Fractions?
By the end of the lesson, you will know how to add and subtract numbers written in scientific notation, with and without common exponents.
Show answer
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