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Number & Algebra Revision

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  • Simplify 8d x 3g
    24dg
  • What percentage of 80 is 40?
    50%
  • Billy bought a game for $15 and sold it for $27. Did he make a profit or loss and how much?
    Profit of $12
  • Simplify 8ab/4a
    2b
  • Use your knowledge of index laws to simplify (leave your answer in index form)
    1
  • Simplify by collecting like terms
    8y+2x
  • A scarf costs $25, how much does it cost with 60% off?
    $10
  • Use your knowledge of index laws to simplify (leave your answer in index form)
    4^15
  • Write the following in index form: 2x2x2x2x2
    2^5
  • What is 28% as a fraction?
    28/100 or 7/25
  • Gabby writes 9600 words in 4 hours. What is her average writing speed in words per minute?
    40 words per minute
  • What is 0.75 as a percentage?
    75%
  • Use your knowledge of index laws to simplify  (leave your answer in index form):
    a^6
  • A ball that normally costs $30 is on sale for 20% off. What is the DISCOUNT?
    $6
  • Expand 5(x+2)
    5x+10
  • What is 32% as a decimal?
    0.32
  • A 5L can has water poured into it, what is the percentage of the can that is filled?
    40%
  • Expand and then calculate the answer
    3125
  • Simplify 12m x 2m
    24m^2
  • A person travelled 600km in 5 hours, this translates to a rate of...
    120km/hr
  • Use your knowledge of index laws to simplify (leave your answer in index form)
    6^6
  • Simplify by collecting like terms
    19m + 8n
  • What is 55% of 880?
    484