Summary
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The author focuses especially on weaknesses in numeracy often observed in adults, and in teacher-trainees in particular.
Check-up 18: Using a Calculator to Express a Proportion as a Percentage
Check-up 18: Using a Calculator to Express a Proportion as a Percentage
A local education authority survey of the length of the Key Stage 2 taught week (in hours, rounded to one decimal place) in its primary schools produced the data shown in the table below. Fill in the total number of schools involved and then, using a calculator, the percentages of schools in each band, giving these to one decimal place. How many schools are falling short of the recommended 23.5 teaching-hours per week? What percentage of schools is this?
Answers to Check-up 18
The total number of schools is 341.
The percentages are: 0.6%, 2.3%, 18.5%, 49.6%, 25.5%, 3.2%, 0.3%.
73 schools (21.4%) fall short ...