Understand and use the concept of factorisation (square and prime numbers)
Why this, why now
In this unit pupils will understand and use the concept of factorisation, explaining what a factor is and how to use arrays and multiplication/division facts to find them. They will identify prime numbers, square numbers and composite numbers.
Prior knowledge requirements
- Ardaydu waa inay yaqaanaan aasaaska maadada.
- Ardaydu waa inay awoodaan inay raacaan tilmaamo fudud.
Unit 15 / 22
Understand and use the concept of factorisation (square and prime numbers)
In this unit pupils will understand and use the concept of factorisation, explaining what a factor is and how to use arrays and multiplication/division facts to find them. They will identify prime numbers, square numbers and composite numbers.
5 lessons- Explain what a factor is and use arrays and multiplication and division facts to find them
- Explain how to find all the factors of a number systematically
- Explain how to identify a prime factor of a number
- Explain how to identify a prime number or a composite number
- Use a complete list of factors to explain when a number is a square number