Mathematics Grade 9 15 min

Describe linear and exponential growth and decay

Describe linear and exponential growth and decay

What you'll learn

  • Identify the value of each digit (hundreds, tens, ones) in a number written in expanded form.
  • Solve for the standard form number when given an expanded form expression (e.g., 200 + 30 + 5 = ?).
  • Explain how to combine hundreds, tens, and ones to write a number in standard form.
  • Apply expanded form to represent numbers up to 999.

Tutorial Preview

1

A plant grows 2 cm each day. Is this linear or exponential?

2

A bacteria colony doubles every hour. Is this linear or exponential?

3

A car's value is cut in half each year. Is this linear or exponential?

Sample Practice Questions

Easy
A stack of blocks gets 3 blocks taller each minute. What kind of growth is this?
0.Linear
1.Exponential
2.Decay
3.None
Easy
A population of rabbits doubles every month. What kind of growth is this?
0.Linear
1.Exponential
2.Decay
3.None
Easy
A sequence of numbers is 5, 8, 11, 14. What kind of pattern is this?
0.Linear
1.Exponential
2.Decay
3.Neither

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Frequently asked questions

What grade level is "Describe linear and exponential growth and decay"?

Describe linear and exponential growth and decay is a Grade 9 Mathematics lesson on ExcelOS.

What will I learn in Describe linear and exponential growth and decay?

You'll be able to: Identify the value of each digit (hundreds, tens, ones) in a number written in expanded form; Solve for the standard form number when given an expanded form expression (e.g., 200 + 30 + 5 = ?); Explain how to combine hundreds….

Is "Describe linear and exponential growth and decay" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Describe linear and exponential growth and decay?

This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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