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11+ Algebra workshop

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  • Use and describe function machines - What is the output of the function machine?
    24, 26, 30
    22, 23, 25
    40, 60, 100
    14, 16, 20
  • What unknown number makes the equation true? 5 = n ÷ 9
    45
    63
    36
    54
  • Writing Algebraic Expressions
    (20 + 25) x (20 + 30)
    20 + (25 x 30)
    (20 x 25) x (20 x 30)
    20 x (25 +30)
  • Write an equation and solve: three times an unknown number take away 1 is 8. Find x.
    3
    9
    -9
    10
  • Solve the two step algebra equation. 3x - 7 = 14
    4
    9
    0
    7
  • Solve the equation, using function machines.
    x = 13
    x = 5
    x = -13
    x = -5
  • Solve the following one-step equation.
    g = ( -b5)
    g = 5
    g = ( -b45)
    g = 12
  • Two Step Algebra: Solve for X: 3X + 2 = 17
    4
    5
    3
    10
  • Choose an algebraic expression that translates the phrase.
    16/m
    16m
    m16
    m/16
  • A class walks, cycles, or drives in the ratio 2:1:4. If 8 students walked, how many students are in the class?
    16
    600
    30
    28
  • Translate the following sentence into an algebraic expression:
    20 + p
    20
    20p
    20/p
  • Which algebraic expression represents this word phrase?
    4x+2
    4x−2
    4(x−2)
    4(x+2)
  • Rule: Each new number is 3 less than double the number before it.Which number sequence follows?
    5, 7, 11, 19, 35
    4, 5, 8, 13, 25
    6, 12, 18, 24, 36
    7, 11, 20, 37, 70
  • In a bag there are red & blue sweets in the ratio 3:5. Work out how many blue sweets if I have 15 red sweets
    69
    22
    25
    12
  • Choose an algebraic expression that translates the phrase.
    22 - x
    22/x
    x - 22
    22 + x
  • Write the phrase as an expression: Seven more than two times a number x
    7x + 2
    7(2) + x
    2x + 7
    2x - 7
  • What is the proportion of a pizza eaten if 3 out of 6 slices are eaten?
    1/2
    3/6
    1/3
    2/3
  • There is a bag of 75 red and yellow sweets in a ratio of 10:5. How many of each colour sweet are there?
    50:25
    45:96
    55:55
    1:5
  • If Erika has cats and kittens in the ratio of 6:9. How many kittens are there if she has 18 cats?
    700
    9
    27
    32
  • The next question involves function machines...
    6
    4.5
    81
    5.5
  • Ashley is 4 more than 2 times Sam’s age. Write this as an expression.
    2+4
    2s+4
    6s
    4s+2
  • There are six more girls than boys in Miss Love's class of 24 pupils. What is the ratio of boys to girls in the class?
    3:5
    10:15
    9:15
    6:9
  • Function machines are....
    FUN x1000
    FUN
    FUN but with sprinkles on top
    FUN in the sun
  • The next question involves function machines...
    44
    30
    58
    8
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