Summary
Contents
The author focuses especially on weaknesses in numeracy often observed in adults, and in teacher-trainees in particular.
Check-up 54: Substituting into Formulas
Check-up 54: Substituting into Formulas
The average points score for Key Stage 3 English for a school is calculated using the following formula:
where A is the number of pupils achieving exceptional performance, B, C, D, E, F are the numbers at levels 8, 7, 6, 5, 4 respectively, and G is the number at level 3 or below.
Using a calculator if necessary, find the average points score for a school where A = 3, B = 10, C = 15, D = 40, E = 30, F = 10 and G = 7.
Discussion and Explanation of Check-up 54
To interpret this formula, remember that in algebra it is common ...