PowerPoint Presentation on Approximations – Decimal Places’ for GCSE (and Key Stage 3) Mathematics
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This is the 7th Set only of the full set of 11 PowerPoint Presentations on Place Value and Approximations for GCSE (and Key Stage 3) Maths. This set relates to Approximations and Decimal Places.
The full set of 11 PowerPoint Presentations on Place Value and Approximations can be purchased from www.apt-initiatives.com
The set of 11 PowerPoint Presentations, written by a highly experienced teacher (of 25+ years), senior examiner and reviser for Maths and Stats examinations, are designed for use by any teacher – not necessarily a maths specialist – as part of their own delivery of lessons, as well as students working independently. They can be used by cover teachers, and students who are unable to attend their lesson in person. Each PowerPoint Presentation includes:
• Lesson objectives
• Step-by-step explanations of the subject matter
• Examples to aid understanding
• Questions to check understanding
• Answers to questions, with explanations
• Suggestions regarding which topic(s) should be moved on to next.
More Detailed Product Information:
This set of 11 PowerPoint Presentations (130 slides, excluding Title Pages) covers the following place value and approximations based topics:
01 Place Value – Integers: Reviews place value columns and how to read and write whole numbers.
02 Place Value – Decimals: Reviews place value columns and how to read and write decimal numbers.
03 Order and Compare Numbers: Explains techniques for ordering lists of numbers (integers and decimals) and how to compare pairs of values using inequality signs.
04 Multiply and Divide by Powers of Ten: Explains how to multiply or divide whole numbers and decimals by 10, 100 etc.
05 Standard (Index) Form: Explains why standard (index) form is used, how to read and write values in standard form, and how calculators are used with this format.
06 Approximations – Rounding: Explains how to approximate by rounding to the nearest 10, 100, etc.
07 Approximations – Decimal Places: Explains how to approximate to a fixed number of decimal places.
08 Approximations – Significant Figures: Explains how to approximate to a fixed number of significant figures.
09 Estimating / Checking Answers: Explains how to use approximations to estimate / check answers.
10 Error Intervals: Explains how to find the error intervals of numbers which have been approximated or truncated.
11 Error Bounds: Explains how to find the minimum and maximum answers for calculations involving approximated values.