Summary
Contents
The author focuses especially on weaknesses in numeracy often observed in adults, and in teacher-trainees in particular.
Check-up 30: Division with Decimals
Check-up 30: Division with Decimals
Do not use a calculator.
- In the CCSE music examination one year, 0.008 of the candidates were ungraded and 0.992 of the candidates achieved a grade. How many times more candidates achieved a grade than did not achieve a grade?
- A sheet of A4 paper has an area of 0.0625 square metres. A sheet of A1 paper has an area of 0.5 square metres. Calculate 0.5 ÷ 0.0625 to find how many sheets of A4 can be cut from a sheet of A1.
- For an illustration on a worksheet, a teacher wants to reduce a picture so that its height goes from 0.2 metres to 0.09 metres. Evaluate 0.09 ÷ 0.2 to find the scale factor ...