Glencoe Pre-Algrebra

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Lesson Menu
Five-Minute Check (over Lesson 76) Then/Now New
Vocabulary Example 1 Find Simple
Interest Example 2 Real-World Example Find
the Interest Rate Example 3 Find the Total
Amount
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Then/Now
Objective

• SWBAT solve simple interest problems and apply
  the simple interest equation to real-world
  problems.

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Vocabulary

• interest

• simple interest
• principal

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Example 1A
Find Simple Interest
A. Find the simple interest for 2000 invested at
2.5 for 3 years.
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Example 1B
Find Simple Interest
B. Find the simple interest for 4500 invested at
4.25 for 24 months.
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Example 1A
A. What is the simple interest for 3000 invested
at 3.5 for 2 years?
A. 105 B. 150 C. 210 D. 350

1. A
2. B
3. C
4. D

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Example 1B
B. What is the simple interest for 2500 invested
at 2.75 for 48 months?
A. 137.50 B. 275 C. 302.75 D. 412.50

1. A
2. B
3. C
4. D