Lesson 193 of 1524
1.2 Writing Equations to Model Relationships, Part 1
You will be asked to evaluate the percentage of a number mentally.
Practice this chapterYou will be asked to evaluate the percentage of a number mentally. Sometimes, a visual is helpful to do this.
Then, look for a pattern that can be used to describe how to find the percentage of any number Change the percentage to a decimal and multiply it by 200
Be able to use letters and numbers to write equations representing the relationships in a situation.
Worked example
What does this chapter state?
- 1You will be asked to evaluate the percentage of a number mentally.
- 2That claim is the chapter’s own statement.
- 3Answer from the claim, not from where the chapter sits in the book.
Result: You will be asked to evaluate the percentage of a number mentally.
Why. The sentence is taken from this chapter’s summary or key concepts.
Answer with the meaning this chapter gives. A nearby idea from the same book is a different term.
Practice margin
This chapter
A fresh set from this chapter only. Choose 10 or 20. Multiple choice and fill-in, with no repeat inside the set.