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Algebra 1

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					Algebra
 Gr. 6


  #1
Which expression represents the
number of stamps Sarah has left?

• Sarah collects stamps and keeps
  them in envelopes. She had 9
  envelopes with a certain number
  of stamps, s, in each envelope.
  She sells 3 of the envelopes.
• A. 9s - 3
• B. (9 + 3) s
• C. 9s - 3s
• D. 9s - s - 3
Answer:
• C. 9s - 3s
What is the area of the wall
 that Keesha will paint?
• 2. Keesha will paint one rectangular
  wall of her bedroom. The wall
  measures 10 feet by 8 feet.
  A= lxw
• A. 18 square feet
• B. 64 square feet
• C. 80 square feet
• D. 100 square feet
       Answer:
• C.   80 square feet
   What number should
       replace n?
If 47 - n = 29, what number
  should replace n to make the
  sentence true?
•   A. 12
•   B. 18
•   C. 21
•   D. 22
Answer:
 • B. 18
Write an expression for the
 number of hummingbirds
  Lewis saw on Saturday.

• On Friday, Lewis saw a certain
  number of hummingbirds, h. On
  Saturday, he saw 3 more than
  twice the number of
  hummingbirds he saw on Friday.
  Write your answer.
Answer:
 • 3 + 2h
 Explain the difference
between an expression
   and an equation?

• Answer:
• Equation has an equal sign.

				
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