## Basic Maths Skills Videos Level 5 (GCSE Grade E) Topics

 Topic 1 - Multiplying and Dividing by 10, 100, 1000 This video recaps the technique required to multiply and divide by powers of 10. MyMaths revision :-   Multiply by 10 and 100 - Lesson  Multiply by 10 and 100 - Worksheet Topic 2 - Rounding Decimals This video explains how to round to the nearest whole number and to 1 decimal place. Interactive Practice from CIMT :-   Questions 1,4,6  MyMaths revision :-   Decimal places - Lesson    Decimal places - worksheet Topic 3 - Divisibility Rules for 3,4,5,6 & 9 This video explains the rules for working out if a number can be divided exactly (divisible) by 5,3,9,4 & 6. MyMaths revision :-   Sequences - Lesson  Sequences - Worksheet Topic 4 - Ordering fractions and decimals This video gives tips on ordering decmials and fractions and then a mixture of fraction, decimal and percentages. Interactive Practice from CIMT :-   Decimals  Question 6 Topic 5 - Cancel a fraction to its lowest term This video first demonstrates how to find equivalent fractions then shows how to cancel a fraction into its lowest terms. Interactive Practice from CIMT :-   Question 4 and 5  MyMaths revision :-   Equivalent Fractions - Lesson    Equivalent Fractions - worksheet Topic 6 - Order of operations (BIDMAS) This video reminds the watcher about the order in which you should do calculations. Interactive Practice from CIMT :-   Order of operations  MyMaths revision :-   Order of operations - Lesson    Order of operations - worksheet Topic 7 - Fraction or Percentage of a quantity with a calculator This video shows you how to use a calculator to work out fractions and percentages of a quantity. Interactive Practice from CIMT :-   Percentage  Fractions  MyMaths revision :-   Percentage - Lesson    Percentage - worksheet Topic 8 - Long Multiplication This video demonstrates 3 methods to do long multiplication accurately without a calculator. Interactive Practice from CIMT :-   Use a written method no calculator allowed!  MyMaths revision :-   Long Multiplication (grid)- Lesson    Long Multiplication (grid) - worksheet Topic 9 - Negative numbers This video talks about adding and subtracting negative numbers - if in doubt use a number line. Interactive Practice from CIMT :-   Adding and subtracting negatives  MyMaths revision :-   Negative Number calculations - Lesson    Negative Number calculations - worksheet Topic 10 - Ratio and Proportion This video goes through some examples of ratio and proportion. MyMaths revision :-   Proportion - Lesson  Proportion - Worksheet Topic 11 - Inverse Operations This video goes through some examples of inverse operations in think of a number type questions. Topic 12 - Properties of Triangles and Quadrilaterals This video goes through some examples of the properties of triangles and quadrilaterals. MyMaths revision :-   Triangle Properties - Lesson  Triangle Properties - Worksheet  Quadrilateral Properties - Lesson  Quadrilateral Properties - Worksheet Topic 13 - Rotational Symmetry This video goes through some examples of rotational symmetry. MyMaths revision :-   Lines of Symmetry - Lesson  Lines of Symmetry - Worksheet  Rotational Symmetry - Lesson  Rotational Symmetry - Worksheet Topic 14 - Angle Rules This video goes through some examples of the basic angle rules. MyMaths revision :-   Angle Rules - Lesson  Angle Rules - Worksheet Topic 16 - Measuring Angles with a Protractor This video goes through some examples of measuring angles with a protractor. MyMaths revision :-   Measuring Angles - Lesson  Measuring Angles - Worksheet Topic 17 - Reading Scales This video goes through some examples of reading scales.