Basic 5

Basic 5 Mathematics Notes

Open a topic to read the notes, copy the key parts into your notebook and do the exercises.

Counting, Representation and Cardinality

  1. Reading and Writing Numbers up to 1,000,000In this topic you will read, write and represent numbers up to one million using place value, words and expanded form.
  2. Comparing and Ordering Numbers up to 1,000,000In this topic you will compare and order numbers up to 1,000,000 using the symbols >, < and =.
  3. Roman Numerals up to 100In this topic you will count and convert between Hindu-Arabic numbers and Roman numerals up to 100 (C).
  4. Prime and Composite NumbersIn this topic you will generate and identify prime and composite numbers between 1 and 100.
  5. Factors, Multiples and Their RelationshipIn this topic you will explore the relationship between factors and multiples, and find common factors, the HCF and the LCM.

Number Operations

  1. Mental Strategies for Multiplication and Division FactsIn this topic you will use mental strategies to recall multiplication facts to 81 and the related division facts.
  2. Multiplying by 2-Digit NumbersIn this topic you will multiply multi-digit numbers by 2-digit numbers using the grid and column (long multiplication) methods.
  3. Multi-Step Word ProblemsIn this topic you will solve word problems that need two or more of the four operations.

Fractions

  1. Adding and Subtracting FractionsIn this topic you will use equivalent fractions to change fractions to the same denominator so that you can add and subtract them.
  2. Adding and Subtracting Mixed NumbersIn this topic you will add and subtract fractions greater than one, including mixed numbers and improper fractions.
  3. Multiplying Fractions and Whole NumbersIn this topic you will use models to multiply a whole number by a fraction and a fraction by a whole number.
  4. Word Problems with FractionsIn this topic you will solve real-life word problems involving fractions of quantities and multiplication with fractions.