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 Practice Problems: Translations,
One-Step Equations
 A Closer Look at the Khan Academy
Reminder:
 CW1.1 Due Today for full credit
 Classwork Grading Criteria
08/23/16
 New Vocabulary: (2)
2. Like Terms:
Vocabulary:
In algebraic expressions & equations, like terms are terms
that contain the same variables raised to the same power.
Only the coefficients of like terms can be different.
1. Coefficient:
Examples include: 7x x -2x (
1
3
)xy2 -2y2x 6xy2
Adding & Subtracting like terms is just combining the coefficients.
2x2 + 5x =
August 23, 2016
Registered
Students:
Coaching the Khan Academy:
5(173 + 32)
64 -150
58
Write an expression to represent:
Three minus the quotient of a number and six.
Write an expression to represent:
Three less than three times a number x.
Translating Expressions
1. Buck has $20 more than Roger. Together they have $90.
How much does each one have?
2. Peter has $6 more than Meg. Chris has $18 more than Peter.
They have $84 all together. How much does each one have?
3. The sum of 3 consecutive numbers is 87. What are the three
numbers?
Key Concept: Always Assign the variable to the smallest, least,
lightest, shortest, etc. Every other number is shown by its
relationship to the variable.
4. Jay worked 6 hours less than May. Together they worked 64
hours. How many hours did each work?
Solving One-Step Equations:
1. n + 6 = 12
Pencils Down; Mental Math Only!!
2. 56 = 7x 3. y - 17 = 41
4.
𝒌
𝟐𝟎
= 4 **6.
𝟐𝟎
𝒌
= 45. 8m = 48
August 23, 2016

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August 23, 2016

  • 1.  Practice Problems: Translations, One-Step Equations  A Closer Look at the Khan Academy Reminder:  CW1.1 Due Today for full credit  Classwork Grading Criteria 08/23/16  New Vocabulary: (2)
  • 2. 2. Like Terms: Vocabulary: In algebraic expressions & equations, like terms are terms that contain the same variables raised to the same power. Only the coefficients of like terms can be different. 1. Coefficient: Examples include: 7x x -2x ( 1 3 )xy2 -2y2x 6xy2 Adding & Subtracting like terms is just combining the coefficients. 2x2 + 5x =
  • 5. Coaching the Khan Academy:
  • 8. Write an expression to represent: Three minus the quotient of a number and six. Write an expression to represent: Three less than three times a number x. Translating Expressions
  • 9. 1. Buck has $20 more than Roger. Together they have $90. How much does each one have? 2. Peter has $6 more than Meg. Chris has $18 more than Peter. They have $84 all together. How much does each one have? 3. The sum of 3 consecutive numbers is 87. What are the three numbers? Key Concept: Always Assign the variable to the smallest, least, lightest, shortest, etc. Every other number is shown by its relationship to the variable. 4. Jay worked 6 hours less than May. Together they worked 64 hours. How many hours did each work?
  • 10. Solving One-Step Equations: 1. n + 6 = 12 Pencils Down; Mental Math Only!! 2. 56 = 7x 3. y - 17 = 41 4. 𝒌 𝟐𝟎 = 4 **6. 𝟐𝟎 𝒌 = 45. 8m = 48