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Lesson Planet
A five-question interactive challenges mathematicians to find a correct tip and total amount using percents five, 12, and 18. A tool with moveable pieces assists participants in locating answers. Types of questions include multiple-choice, fill in the blank, and one discussion.
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12 Downloads
CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Direct pupils to answer question five on paper, then discuss their responses as a class
- Assign the interactive during math center rotations
- Send the link for additional practice outside of school
Classroom Considerations
- A free CK-12 account is required to access the interactive
- The decimal points hang low like a comma
- Remind pupils to reset the model between questions
Pros
- Boosts proficiency in an everyday-life skill
- The model is color-coded
- Shows correct answers, hints, and additional information when links are clicked
Cons
- The model does not include labels for each percentage
- Not all prices show the same amount