AQA GCSE Higher Unit 7: Rounding, Estimation and the Limits of Accuracy
Lessons include
Rounding to a Given Accuracy
Rounding with Significant Figures
Rounding to a Suitable Accuracy
Estimating Calculations
Errors and Inequalities
Calculations with Bounds
Worksheets for all lessons. All answers included.
GCSE Higher Lesson.
Find the Upper and Lower bounds of the results of calculations.
Starter. Worked examples involving addition, multiplication and division. Question slides. Worksheet reviewing lesson. All answers included.
GCSE Higher Lesson.
Use inequalities notation to show error in estimations and approximations.
Starter. Worked examples. Question slides. Worksheet reviewing lesson. All answers included.
GCSE Higher Lesson.
Estimate different calculations and values, including square roots.
Starter. Worked examples. Question slides. Worksheet reviewing lesson. All answers included.
GCSE Higher Lesson.
Use values given in different questions to judge suitable accuracy.
Multiple Choice Quiz Starter. Worked examples. Question slides. Worksheet reviewing lesson. All answers included.
GCSE Higher Lesson.
Understand a map scale and use a map scale to find distances. Starter on unitary ratios. Converting between metric lengths. Worked examples including unit conversion. Question slides. Worksheet reviewing lesson. All answers included.
GCSE Higher Lesson.
Complete and interpret scale drawings.Starter on unitary ratios. Worked examples on converting between plans and real life and vice-versa. Question slides. Worksheet reviewing lesson. All answers included.
GCSE Higher Lesson.
Calculate with mass, volume and density. Starter on comparing substances and/or proportional reasoning with bar model diagrams . Using a formula triangle. Worked examples. Question slides. Worksheet reviewing lesson. All answers included.
GCSE Higher Lesson.
Calculate with speed, distance and time. Starters finding days between two dates and/or proportional reasoning with bar model diagrams. Using a Formula Triangle. Worked examples. Question slides. Worksheet reviewing lesson. All answers included.
GCSE Higher Lesson.
Converting between decimal time and time in hours and minutes. Starter finding days between two dates. Worked examples. Question slides. Entering time on a calculator. Worksheet reviewing lesson. All answers included.
GCSE Higher Lesson.
Converting between metric and imperial units.Starter on choosing reasonable units. Worked examples and question slides on converting between gallons and litres, miles and kilometres, kilograms and pounds and inches and centimetres. Plenary examining area. Worksheet reviewing lesson. All answers included.
GCSE Higher Lesson.
Understand and use a Line of Best Fit on a scatter graph to analyse data and make predictions:
Worked examples on drawing a line of best fit. MC quiz on which line on a scatter graph is the Line of Best Fit. How to make predictions using the LoBF. Question slides.
Worksheet following lesson design. All answers included.
GCSE Higher Lesson.
Understand and use scatter graphs top represent bivariate data:
Plotting of scatter graphs. Identifying relationships and using correlation to describe them. Worked examples and questions.
Worksheet following lesson design. All answers included.
GCSE Higher Lesson.
Understand and use Box Plots to analyse data.
How to draw a box plot, how to find the Interquartile Range (and what this tells you). Examples and questions on each topic.
Worksheet following lesson design. All answers included.