Maths- year 7 book 2

QUESTIONS I GOT WRONG ON TESTS

  1. expand and simplify: 3(2x - 5)

  2. x= 2² x 3 × 5. y= 2× 3² x 5²

    a) work out the HCF of x and y

    b) work out the Least Common Multiple of x and y

  3. write does one cube number between 100 and 300

ANSWERS

  1. 6x - 15

  2. a) 30. b) 900

  3. 125

area of a trapezium= half the sum of the parallel sides and times the height between them

ANGLE PROPERTIES

corresponding angles are equal

alternate angles are equal

co interior angles add up to 180 degrees

angles in a triangle add up to 180 degrees

vertically opposite angles are equal

angles around a point add up to 360 degrees

angles on a straight line add up to 180 degrees

2 minuses (-) make a plus (+)