Search Header Logo

Exponential Growth and Decay: 8th Grade Challenges

Authored by Anthony Clark

English, Mathematics

8th Grade

CCSS covered

Exponential Growth and Decay: 8th Grade Challenges
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A plant grows at a rate of 2 times its height each week. If the plant is currently 3 cm tall, how tall will it be after 4 weeks?

12 cm

48 cm

36 cm

24 cm

Tags

CCSS.HSF.BF.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A bacteria culture doubles in size every hour. If there are initially 50 bacteria, how many will there be after 5 hours?

3200

800

1600

400

Tags

CCSS.HSF.LE.A.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A car's value decreases by 20% each year. If the car is worth $15,000 now, what will its value be after 3 years?

$7,680

$5,000

$12,000

$10,000

Tags

CCSS.HSF.BF.A.2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A certain type of investment grows at a rate of 5% per year. If you invest $1,000, how much will it be worth after 10 years?

1200.50

1500.00

2000.00

1628.89

Tags

CCSS.HSF.BF.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A computer's processing speed doubles every 2 years. If the current speed is 2 GHz, what will the speed be after 6 years?

4 GHz

8 GHz

32 GHz

16 GHz

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A certain species of fish can reproduce every 3 months, doubling their population each time. If there are 10 fish now, how many will there be after 1 year?

200

160

120

80

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A cell phone plan offers unlimited data for $50 a month, but the price increases by 10% each year. What will the cost be after 5 years?

$65.00

$75.25

$80.53

$90.00

Tags

CCSS.HSF.BF.A.2

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?