Mastering Addition and Subtraction in Scientific Notation

Mastering Addition and Subtraction in Scientific Notation

Assessment

Interactive Video

Mathematics

6th - 10th Grade

Hard

CCSS
8.EE.A.4, 8.EE.A.3, 8.EE.A.1

+1

Standards-aligned

Created by

Amelia Wright

FREE Resource

Standards-aligned

CCSS.8.EE.A.4
,
CCSS.8.EE.A.3
,
CCSS.8.EE.A.1
CCSS.6.EE.A.1
,
This video tutorial covers the process of adding and subtracting numbers in scientific notation. It emphasizes the importance of having the same exponents when performing these operations and provides step-by-step examples to illustrate the concepts. The tutorial also includes a recap of key points and encourages students to practice the techniques discussed.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What must be the same to add or subtract numbers in scientific notation?

Base numbers

Coefficients

Decimal places

Exponents

Tags

CCSS.8.EE.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the exponent if the coefficient is adjusted to a smaller value?

It increases by 1

It is halved

It decreases by 1

It remains unchanged

Tags

CCSS.8.EE.A.1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you adjust a number in scientific notation to maintain proper form if the coefficient becomes too large?

Decrease the exponent

Increase the exponent

Multiply the coefficient by 2

Divide the coefficient by 2

Tags

CCSS.8.EE.A.3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of 6.5 times 10 to the negative eighth power and 3.99 times 10 to the negative eighth power?

1.049 times 10 to the negative eighth

1.049 times 10 to the negative seventh

10.49 times 10 to the negative seventh

10.49 times 10 to the negative eighth

Tags

CCSS.8.EE.A.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When subtracting numbers in scientific notation with different exponents, what should you do first?

Add the exponents

Divide the coefficients

Make the exponents the same

Subtract the coefficients

Tags

CCSS.8.EE.A.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you have to make an exponent larger to match another, what must you do to the coefficient?

Multiply it by 10

Make it smaller

Make it larger

Leave it unchanged

Tags

CCSS.6.EE.A.1

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of subtracting 2.07 times 10 to the third power from 7 times 10 to the fourth power after adjusting for scientific notation?

6.793 times 10 to the third

4.93 times 10 to the fourth

5.93 times 10 to the third

6.793 times 10 to the fourth

Tags

CCSS.8.EE.A.4

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