Starter quiz

  • Turning the expression 5(y-2) into 5y-10 is known as ______ the brackets.
    • multiplying out  ✓
    • erasing
    • factorising
    • expanding  ✓
  • 2(x+4) and 2x+4 are the equivalent expressions. True or false?
    • True. There is a 2, an x, and a +4. That means they are the same.
    • False. 2 lots of (x+4) is (x+4)+(x+4) which is 2x+8 not 2x+4  ✓
    • You cannot know until you know the value of x.
  • Which of these are expressions for the perimeter of this square?
    Which of these are expressions for the perimeter of this square?
    • 5y+3
    • 4\times5y+3
    • 4(5y+3)  ✓
    • 20y+3
    • 20y+12  ✓
  • What equation does this bar model represent?
    What equation does this bar model represent?
    • 4y=12
    • 4y=20
    • 4y+12=20  ✓
    • 4y+20=12
    • 4(y+12)=20
  • Expand 7(y+8).
    • 7y+8
    • 7y+15
    • 7y+56  ✓
    • y+56
  • Expand -7(y+8).
    • 7y-56
    • -7y-56  ✓
    • -7y+56
    • 7y+56
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