Approximating with powers of 10

Repeating decimals

3 Topics
|
3 Quizzes
Square roots & cube roots

5 Topics
|
6 Quizzes
Irrational numbers

3 Topics
|
2 Quizzes
- Classify numbers: rational & irrational
Approximating irrational numbers

4 Topics
|
3 Quizzes
- Comparing irrational numbers with a calculator
Exponents with negative bases

6 Topics
|
3 Quizzes
Exponent properties intro

3 Topics
|
4 Quizzes
Negative exponents

2 Topics
|
1 Quiz
1. Negative exponents
2. Negative exponent intuition
- Negative exponents
Exponent properties (integer exponents)

2 Topics
|
2 Quizzes
1. Multiplying & dividing powers (integer exponents)
  1. Multiply & divide powers (integer exponents)
2. Powers of products & quotients (integer exponents)
- Powers of products & quotients (integer exponents)
Working with powers of 10

2 Topics
|
2 Quizzes
1. Multiplying multiples of powers of 10
  1. Multiplication and division with powers of ten
2. Approximating with powers of 10
  1. Approximating with powers of 10
Scientific notation intro

2 Topics
|
1 Quiz
1. Scientific notation example: 0.0000000003457
2. Scientific notation examples
- Scientific notation
Arithmetic with numbers in scientific notation

4 Topics
|
2 Quizzes
- Multiplying & dividing in scientific notation
- Adding & subtracting in scientific notation
Scientific notation word problems

3 Topics
|
1 Quiz
- Scientific notation word problems
Equations with variables on both sides

4 Topics
|
2 Quizzes
Equations with parentheses

1 Topic
|
2 Quizzes
1. Equations with parentheses
  1. Equations with parentheses
- Equations with parentheses: decimals & fractions
Number of solutions to equations

4 Topics
|
2 Quizzes
- Number of solutions to equations
- Number of solutions to equations challenge
Equations word problems

2 Topics
|
1 Quiz
1. Sums of consecutive integers
2. Sum of integers challenge
- Sums of consecutive integers
Graphing proportional relationships

2 Topics
|
1 Quiz
1. Rates & proportional relationships example
2. Rates & proportional relationships: gas mileage
  1. Rates & proportional relationships
Solutions to linear equations

4 Topics
|
2 Quizzes
- Solutions to 2-variable equations
- Complete solutions to 2-variable equations
Intercepts

5 Topics
|
2 Quizzes
- Intercepts from a graph
- Intercepts from an equation
Slope

8 Topics
|
3 Quizzes
Intro to slope-intercept form

2 Topics
|
1 Quiz
1. Intro to slope-intercept form
2. Worked examples: slope-intercept intro
- Slope-intercept intro
Writing slope-intercept equations

5 Topics
|
2 Quizzes
- Slope-intercept equation from graph
- Slope-intercept from two points
Functions

7 Topics
|
3 Quizzes
Linear models

7 Topics
|
3 Quizzes
Comparing linear functions

6 Topics
|
1 Quiz
- Compare linear functions
Constructing linear models for real-world relationships

5 Topics
|
1 Quiz
- Writing linear functions word problems
Recognizing functions

9 Topics
|
2 Quizzes
- Recognize functions from tables
- Recognize functions from graphs
Linear and nonlinear functions

5 Topics
|
2 Quizzes
- Linear & nonlinear functions
- Interpreting graphs of functions
Intro to systems of equations

3 Topics
|
1 Quiz
- Solutions of systems of equations
Solving systems with substitution

6 Topics
|
1 Quiz
- Systems of equations with substitution
Number of solutions to systems of equations

5 Topics
|
1 Quiz
- Number of solutions to a system of equations algebraically
Systems of equations word problems

7 Topics
|
2 Quizzes
- Age word problems
- Systems of equations word problems
Angles between intersecting lines

4 Topics
|
3 Quizzes
Triangle angles

7 Topics
|
3 Quizzes
Pythagorean theorem

3 Topics
|
4 Quizzes
Pythagorean theorem application

4 Topics
|
5 Quizzes
Pythagorean theorem and distance between points

1 Topic
|
1 Quiz
1. Distance formula
- Distance between two points
Pythagorean theorem proofs

4 Topics
Volume

3 Topics
|
4 Quizzes
Transformations intro

3 Topics
|
1 Quiz
- Identify transformations
Translations

3 Topics
|
1 Quiz
- Translate points
Rotations

2 Topics
|
2 Quizzes
1. Rotating points
2. Determining rotations
- Rotate points (basic)
- Determine rotations (basic)
Reflections

3 Topics
|
1 Quiz
- Reflect points
Properties & definitions of transformations

3 Topics
|
3 Quizzes
Dilations

5 Topics
|
2 Quizzes
- Dilations: scale factor
- Dilate triangles
Congruence and similarity

4 Topics
|
2 Quizzes
- Congruence & transformations
- Similarity & transformations
Introduction to scatter plots

1 Topic
|
1 Quiz
1. Constructing a scatter plot
  1. Making appropriate scatter plots
Interpreting scatter plots

2 Topics
|
2 Quizzes
1. Example of direction in scatterplots
2. Scatter plot: smokers
- Positive and negative linear associations from scatter plots
- Describing trends in scatter plots
Estimating lines of best fit

4 Topics
|
3 Quizzes
Two-way tables

3 Topics
|
4 Quizzes

Math 8th grade

Approximating with powers of 10

Quiz Summary

Information

Results

Results

Categories

1. Question

Santa and his elves had a workshop that allowed them to produce 22,912,546,992 toys each year.

The world population increased, so they built a new workshop. The new workshop allows them to produce 4,134,232,638,937 toys each year.

Approximately how many times as many toys can the new workshop produce each year compared to the old workshop?

Choose 1 answer:

2. Question

The table shown below gives the estimated number of text messages sent in the U.S. by year.

Approximately how many times as many text messages were sent in the U.S. in as in ?

Choose 1 answer:

3. Question

Harvey Porter is a wizard. He waved his wand and made a grain of sand that had a diameter of 0.00002 m grow to a diameter 0.006 m.

Approximately how many times as large is the diameter of the grain of sand now as it was before Harvey Porter waved his wand?

Choose 1 answer:

4. Question

James had a peach that was 98 mm in diameter. One day he watered it with a magical solution, and it grew to 188,869 mm in diameter.

Approximately how many times as large did the diameter of the peach become after James watered it?

Choose 1 answer:

5. Question

The diameter of a human red blood cell is 0.000009 m. The diameter of a cold virus is 0.00000003 m.

Approximately how many times as large is the diameter of a red blood cell as the diameter of a cold virus?

Choose 1 answer:

6. Question

Without any equipment, you can see stars that are 2,800,000 light-years away. By looking through a small telescope, you can see stars that are 3,112,000,000 light-years away.

Approximately how many times as far can you see using a small telescope as without any equipment?

Choose 1 answer:

7. Question

Charlotte’s annual salary is 29,354 dollars. She is hoping to win the World Lottery which has a grand prize of 6,156,782,221 dollars.

Approximately how many times as large is the World Lottery’s grand prize as Charlotte’s annual salary?

Choose 1 answer:

8. Question

Ten years ago, Rapunzel’s hair was 19 cm long. Now her hair is

Approximately how many times as long is Rapunzel’s hair now as it was ten years ago?

Choose 1 answer:

9. Question

The table shown below gives the approximate 2014 earnings for various athletes.

Approximately how many times as large were Ronald Christian’s 2014 earnings as Forest Thorton’s?

Choose 1 answer:

Math 8th grade

Approximating with powers of 10

Quiz Summary

Information

Results

Results

Categories

1. Question

Santa and his elves had a workshop that allowed them to produce 22,912,546,992 toys each year.

The world population increased, so they built a new workshop. The new workshop allows them to produce 4,134,232,638,937 toys each year.

Approximately how many times as many toys can the new workshop produce each year compared to the old workshop? Choose 1 answer:

2. Question

The table shown below gives the estimated number of text messages sent in the U.S. by year.

Approximately how many times as many text messages were sent in the U.S. in 2011 as in 2005?

Choose 1 answer:

3. Question

Harvey Porter is a wizard. He waved his wand and made a grain of sand that had a diameter of 0.00002 m grow to a diameter 0.006 m.

Approximately how many times as large is the diameter of the grain of sand now as it was before Harvey Porter waved his wand? Choose 1 answer:

4. Question

James had a peach that was 98 mm in diameter. One day he watered it with a magical solution, and it grew to 188,869 mm in diameter.

Approximately how many times as large did the diameter of the peach become after James watered it? Choose 1 answer:

5. Question

The diameter of a human red blood cell is 0.000009 m. The diameter of a cold virus is 0.00000003 m.

Approximately how many times as large is the diameter of a red blood cell as the diameter of a cold virus?

Choose 1 answer:

6. Question

Without any equipment, you can see stars that are 2,800,000 light-years away. By looking through a small telescope, you can see stars that are 3,112,000,000 light-years away.

Approximately how many times as far can you see using a small telescope as without any equipment? Choose 1 answer:

7. Question

Charlotte’s annual salary is 29,354 dollars. She is hoping to win the World Lottery which has a grand prize of 6,156,782,221 dollars.

Approximately how many times as large is the World Lottery’s grand prize as Charlotte’s annual salary? Choose 1 answer:

8. Question

Ten years ago, Rapunzel’s hair was 19 cm long. Now her hair is 20,193 cm long.

Approximately how many times as long is Rapunzel’s hair now as it was ten years ago? Choose 1 answer:

9. Question

The table shown below gives the approximate 2014 earnings for various athletes.

Approximately how many times as large were Ronald Christian’s 2014 earnings as Forest Thorton’s?

Choose 1 answer:

Approximately how many times as many toys can the new workshop produce each year compared to the old workshop?

Choose 1 answer:

Approximately how many times as many text messages were sent in the U.S. in as in ?

Approximately how many times as large is the diameter of the grain of sand now as it was before Harvey Porter waved his wand?

Choose 1 answer:

Approximately how many times as large did the diameter of the peach become after James watered it?

Choose 1 answer:

Approximately how many times as far can you see using a small telescope as without any equipment?

Choose 1 answer:

Approximately how many times as large is the World Lottery’s grand prize as Charlotte’s annual salary?

Choose 1 answer:

Ten years ago, Rapunzel’s hair was 19 cm long. Now her hair is

Approximately how many times as long is Rapunzel’s hair now as it was ten years ago?

Choose 1 answer: