A complete lesson on using approximation to estimate answers intended for foundation level GCSE. Includes: A key skills starter; A powerpoint on using approximation to estimate answers, starting with a recap on rounding to 1 significant figure; Worked examples and questions for students to practise; A set of problem solving questions involving estimation; All answers included.

A complete lesson on adding and subtracting fractions with different denominators, including mixed numbers intended for foundation level GCSE. Includes: A key skills starter; A powerpoint covering how to add and subtract fractions with different denominators, discussing equivalent fractions before moving on to mixed numbers; Many diagrams and animations to show visually how equivalent fractions are the same and how we need to have the same denominator to correctly add fractions; Whiteboard questions on adding/subtracting fractions with different denominators to check understanding; Worked examples of how to convert between mixed numbers and improper fractions; A differentiated competition for students to practise adding/subtracting fractions, with the harder questions being mixed numbers. All answers included.