Computer and projector, Mobile devices for students
Activity Description
Picture of different credit cards Source: CK-12 (License: Protected by Copyright (c) [i.e. screenshot])
CK-12 is an excellent online source of high quality free interactive textbooks, videos, exercises, flashcards and real world applications. The one we are using here is about calculating interest.
Preparation
Check the website to ensure it is not blocked at your site.
To have students access the lesson, select the link at the top, Assign to Class. CK-12 will assist you with assessing your students. If you use Canvas, Schoology or Google Classroom you can assign this lesson through the LMS and the grading will appear in your gradebook. If you want to track your student learning but do not have one of these LMS, you can create a class through CK-12. To learn how to do this select How to Create a Class
More Ways
Browse the Subjects available by selecting Subject on the menus at the top of the CK-12 homepage
If you select Explore at the CK-12 homepage you will see the amazing variety of resources available: Flexi the digital tutor, FlexBooks, Study Guides, Adaptive Practice, Simulations and PLIX
CK-12 also has teacher tools to assist you as a teacher in lesson planning, making quizzes, adjusting reading levels, and much much more. To see these, on the Flexi Teacher page, select the Let AI handle the prep link in the center
Program Areas
ABE: Adult Basic Education
ESL: English as a Second Language
ASE: High School Equivalency Preparation
ASE: High School Diploma
CTE: Career Technical Education
Levels
Intermediate
High
Intermediate Low
Intermediate High
Advanced
View Lesson Plan
Warm-up
Engagement
Ask: when do we use percents in our everyday lives? Students work in pairs to create a list that is then shared with the class.
Introduction
Engagement
(Review Percentages if needed) One way we use percents is in calculating percent increase
Review the following vocabulary: (have students first work in pairs to decide on the meaning of the vocabulary words, then gather together and apply them to situations)
Interest
Simple interest
Principal
Interest Rate
Annually
Time
Presentation
Engagement Enhancement
CK-12 is an online source of learning resources from interactive textbooks to simulations, adaptive practice and more. (Show the students the website) Demonstrate the lesson, Calculating Interest
Be sure to scroll down to the video and share it, asking for questions, Continue scrolling down to the Interactive activity. Try it with the class.
After finishing the example problems, scroll down and check your answers.
For more practice, students can independently do The Simple Interest Practice Worksheet. The worksheet (with answers) is in the Documents
Evaluation
Enhancement
Have Individual students do the quiz associated with the lesson (see quiz link at the bottom right). Students bring their score. If students are ready give them the final Simple Interest Quiz in the documents.
Application
Extension
Students reflect on how they use simple interest in their lives. Bring five problems for the class to do in an upcoming class session.
Anchor Standard 1: Academics - Analyze and apply appropriate academic standards required for successful industry sector pathway
completion leading to postsecondary education and employment. Refer to the industry sector alignment
matrix for identification of standards.
View Tags
AI tutor, Career Technical Ed, ck12, CK-12, English as a Second Language, Flexbook, FlexBook, flexi, FlexLet, High School Diploma, High School Equivalency, math, PLIX, science, simulations, Social Studies, teacher tools, adaptive practice
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