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Mathematics 2 ESO – Unit 1 INTEGERS extra activities

  1. Watch the video on “Order of operations” and answer:
    1. What operations do we have to do before exponents?
    2. What operations do we have to do after exponents?
    3. Solve:
      • (7+1) + (9/3)
      • (3–1 ) / (1+1)
    4. Solve:
      • 32 ∙ 7
      • (2+1) ∙ 3
      • 10 – (256/43)
    5. In what order do we have to do two operations if they are “tied for priority” (multiplication and division) or (addition and subtraction)?
    6.  Solve:
      • 40 / 5 ∙ 3
      • 2 ∙ 4 ∙ 3 / 8
      • 8 + 4 – 5 – 1