Exponential Growth and Coin Doubling

Exponential Growth and Coin Doubling

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers Lesson 12, where students are presented with a choice between $50,000 and a magical coin that doubles in value daily for 28 days. The lesson explains the concept of exponents and how to calculate the value of the coins over time. It demonstrates how to determine when the coin value exceeds $50,000 and $1,000,000. The tutorial also includes exercises on finding expressions that equal 16 and 81 using exponents.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What choice does the genie offer in the problem?

A fixed sum of $100,000 or a magical $1 coin

A fixed sum of $50,000 or a magical $1 coin

A fixed sum of $10,000 or a magical $1 coin

A fixed sum of $5,000 or a magical $1 coin

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many coins are there on the third day?

4 coins

6 coins

8 coins

10 coins

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does 2 to the 5th power represent in the context of the problem?

The number of coins on the 4th day

The number of coins on the 5th day

The number of coins on the 6th day

The number of coins on the 7th day

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

On which day does the number of coins first exceed 50,000?

15th day

17th day

16th day

14th day

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Does the value of the magical coin exceed a million dollars within 28 days?

Yes, on the 20th day

Yes, on the 25th day

No, it never exceeds a million

Yes, on the 28th day

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following expressions does NOT equal 16?

8^2

2^4

4^2

8 * 2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which expression equals 81?

4^3

9^2

3^3

2^6

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