Students learn how to round a number to a significant figure. They use this knowledge to estimate solutions by rounding and finding the limits of accuracy of rounded numbers. As learning progresses they are challenged to calculate the upper and lower bounds in calculations. This topic takes place in Year 10 Term 2 and follows fractions and decimals.
Problem solving lesson on two-way tables and frequency trees.
Three typical exam questions to revise on plotting quadratic, cubic and reciprocal graphs.
Linking cumulative frequency graphs to ratio, percentages and financial mathematics.