Teacher notes continued

D. REAL LIFE PROBLEMS - LENGTH, MASS, TIME

Key objective: to help children use the four rules of number mentally to solve simple problems involving length, mass and time.

Before attempting the activities in this section the child needs to know the following information and associated vocabulary:

    Length

  • 10mm = 1cm

  • 100cm = 1m

    • Mass

  • 1000g = 1kg

    • Time

  • names of the days of the week

  • names of the months of the year

  • 60sec = 1 min

  • 60 min = 1 hour

  • 24 hours = 1 day

  • 7 days = 1 week

  • 52 weeks = 1 year

  • 365 days = 1 year

  • 366 days = 1 leap year

  • 12 months = 1 year

Vocabulary

The meaning of these words should be understood:

Length

length, distance, width, height, measure, pace, span, centimetre (cm),

metre (m), millimetre (mm)

Mass

mass, weight, gram (g), kilogram (kg), scales, light, lightest, heavy, heaviest

Time

days of the week, months of the year, morning, evening, afternoon, week, year, leap year, weekend, day, fortnight, spring, summer, autumn, winter, second, minute, hour, half, quarter, clock
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