Numbers and relationships

Review place value, whole-number calculations, factors and multiples, then use powers of ten and operation order in Foundation problems.

  • MOE teaching syllabus · Primary 5 Foundation Mathematics (taught from 2025)
  • 8 lessons

Next lesson

Two-digit products and quotients

Start
More
Lesson progress hasn’t loaded yet
Progress details

Lesson marks record what you have studied. Checks show understanding separately. Guest marks come from this device.

MOE syllabus

Syllabus references for this course:

About this topic

Before you begin

Review place value, whole-number calculations, factors and multiples, then use powers of ten and operation order in Foundation problems.

Learning goals
  • Multiply using place-value parts and partial products
  • Divide through place-value steps, retaining exchanges and zero places
  • Write a whole number in words
  • Write a numeral for a number given in words
  • Compare and order numbers and representations
  • Describe and extend number patterns
  • Round whole numbers to tens, hundreds and thousands
  • Write a rounded value using approximate equality
  • Calculate mentally with addition and subtraction
  • Calculate mentally with multiplication and division
  • Add in place-value columns with the required exchanges
  • Subtract in place-value columns, preserving value through exchanges
  • Multiply whole numbers by 10, 100 or 1000
  • Divide whole numbers by 10, 100 or 1000
  • Multiply whole numbers by a multiple of 10, 100 or 1000
  • Divide whole numbers by a multiple of 10, 100 or 1000
  • Evaluate expressions with operation order and brackets
  • Determine whether one whole number is a factor of another
  • Determine whether one whole number is a multiple of another
  • Find the complete common factors of two positive whole numbers
  • Find distinct positive common multiples of two whole numbers
Syllabus statements covered
  • Reading and writing numbers in numerals and in words
  • Comparing and ordering numbers up to 100 000
  • Rounding numbers to the nearest 10, 100 or 1000
  • Patterns in number sequences
  • Use of ≈
  • Addition and subtraction algorithms (up to 3 digits) without calculator
  • Multiplication and division algorithms (up to 2 digits by 1 digit) without calculator
  • Multiplying and dividing by 10, 100, 1000 and their multiples without calculator
  • Order of operations
  • Use of brackets
  • Mental calculation involving
  • Addition and subtraction of a 3-digit number and ones/tens/hundreds
  • Multiplication and division within the multiplication tables
  • Factors, multiples and their relationship
  • Determining if a 1-digit number is a factor of a given number within 100
  • Finding the common factors of two given numbers
  • Determining if a number is a multiple of a given 1-digit number
  • Finding the common multiples of two given 1-digit numbers

Choose a lesson

Work through them in order.