Unit 1. Divisibility

  1. Divisibility

    • The divisibility relation
    • Multiples and divisors of a number    Quizizz1EN  Quizizz2ES
    • Number of divisors of a number
    • Prime numbers and composite
    • Divisibility rules  Quizizz3EN
    • Prime factor decomposition   Quizizz4ES
    • Highest common factor (HCF)
      •  HCF  = MÁX.C.D
    • Lowest common multiple (LCM)
      • LCM = mín.c.m
    • Word problems
      • keywords: LCM = mín.c.m (coincidir)
      • keywords: HCF  = MÁX.C.D (el mayor posible)

  2. The set of INTEGER numbers

    • Absolute and opposite value
    • Number line
    • Operating with integers
      • Adding and subtracting integers 
      • Addition, subtraction and brackets
      • Multiplying integers
      • Dividing integers

  3. Powers of integers

    • Definition: base, exponent, power.
    • Powers of (base) negative numbers.
    • Laws of exponents
    • Scientific notation
      • Powers of ten

  4. Roots of integers

    • Square roots
    • Other roots
ã A