# Types of Numbers www mathsrevision com Level 2

Types of Numbers www. mathsrevision. com Level 2 Multiples and LCM Factors and HCF Problems involving LCM / HCF 20 -Feb-21 Created by Mr. Lafferty

Starter Questions www. mathsrevision. com Level 2 1. Find the area of the rectangle. 9 mm 20 mm 2. 20 -Feb-21 Find the perimeter of the rectangle. Created by Mr. Lafferty

Lowest Common Multiple www. mathsrevision. com Level 2 Learning Intention Success Criteria 1. We are learning that multiples are simply values in the times tables 1. Remember times tables and use them for multiples. 2. We are learning how to find the Lowest Common Multiple. 2. Apply sets of multiples to identify Lowest Common Multiples 20 -Feb-21 Created by Mr. Lafferty

Lowest Common Multiples Level 2 www. mathsrevision. com All about your Multiple tables Example : Find the first seven multiples of 3. M 3 = 3, 6 , 9, 12, 15, 18, 21 Example : Find the first five multiples of 4. M 4 = 4, 8 , 12, 16, 20 -Feb-21 Created by Mr. Lafferty

Lowest Common Multiples Level 2 www. mathsrevision. com All about your Multiple tables Example : Find the first eight multiples of 7. M 7 = 7, 14 , 21, 28, 35, 42, 49 , 56 Example : Find the first seven multiples of 8. M 8 = 8, 16 , 24, 32, 40, 48, 56 20 -Feb-21 Created by Mr. Lafferty

Lowest Common Multiple www. mathsrevision. com Level 2 Lowest Common Multiple We need to write out multiples in order to find the Lowest Common Multiple. 20 -Feb-21 Created by Mr. Lafferty

Lowest www. mathsrevision. com Level 2 What is the lowest number that Common Multiple appears in both lists Multiples ? Example : Find the LCM for 3 and 4. M 3 = 3, 6 , 9, 12, 15, 18, 21 M 4 = 4, 8 , 12, 16, 20, LCM = 12 20 -Feb-21 Created by Mr. Lafferty

Lowest www. mathsrevision. com Level 2 What is the lowest number that Common Multiple appears in both lists Multiples ? Example : Find the LCM for 7 and 8. M 7 = 7, 14 , 21, 28, 35, 42, 49 , 56 M 8 = 8, 16 , 24, 32, 40, 48, 56 LCM = 56 20 -Feb-21 Created by Mr. Lafferty

Lowest www. mathsrevision. com Level 2 Example : What is the lowest Common Multiple number that appears in all lists ? Multiples Find the LCM for 2 , 4 and 6. M 2 = 2, 4 , 6, 8 , 10, 12, 14 M 4 = 4, 8 , 12 , 16 M 6 = 6, 12 , 18 LCM = 12 20 -Feb-21 Created by Mr. Lafferty

Lowest Common Multiple www. mathsrevision. com Level 2 Now try TJ 2 a Ex 1 Ch 17 (page 168) 20 -Feb-21 Created by Mr. Lafferty

Starter Questions www. mathsrevision. com Level 2 1. Find the volume of the cuboid. 3 mm 10 mm 2. 20 -Feb-21 25 % of the 720. Created by Mr. Lafferty 4 mm

Highest Common Factor www. mathsrevision. com Level 2 Learning Intention Success Criteria 1. We are learning that a factor divides into a number with no remainder 1. Identify factors using factor pairs 2. We are learning how to find Highest Common Factors 2. Find HCF for two numbers by comparing factors. 20 -Feb-21 Created by Mr. Lafferty

Highest 1 and the number itself are Common Factor ALWAYS factors. www. mathsrevision. com Level 2 Example : Find the factors of 9. F 9 = 1, 3, 9 Example : Find the factors 12. F 12 = 1, 2, 3, 4, 6, 12 20 -Feb-21 Created by Mr. Lafferty

Highest 1 and the number itself are Common Factor ALWAYS factors. www. mathsrevision. com Level 2 Example : Find the factors of 10. F 10 = 1, 2, 5, 10 Example : Find the factors of 15. F 15 = 1, 3, 5, 15 20 -Feb-21 Created by Mr. Lafferty

Highest Common Factor www. mathsrevision. com Level 2 Highest Common Factor We need to write out all factors in order to find the Highest Common Factor. 20 -Feb-21 Created by Mr. Lafferty

Highest www. mathsrevision. com Level 2 What is the highest number Common that Factor appears in both lists ? Example : Find the HCF for 9 and 12. F 9 = 1, 3, 9 F 12 = 1, 2, 3, 4, 6, 12 HCF = 3 20 -Feb-21 Created by Mr. Lafferty

Highest www. mathsrevision. com Level 2 What is the highest number Common that Factor appears in both lists ? Example : Find the HCF for 10 and 15. F 10 = 1, 2, 5, 10 F 15 = 1, 3, 5, 15 HCF = 5 20 -Feb-21 Created by Mr. Lafferty

Highest www. mathsrevision. com Level 2 What is the highest number Common that Factor appears in both lists ? Example : Find the HCF of 8 and 12. F 8 = 1, 2, 4, 8 F 12 = 1, 2, 3, 4, 6, 12 HCF = 4 20 -Feb-21 Created by Mr. Lafferty

Highest Common Factor www. mathsrevision. com Level 2 Now try TJ 2 a Ex 2 Ch 17 (page 169) 20 -Feb-21 Created by Mr. Lafferty

Starter Questions www. mathsrevision. com Level 2 20 -Feb-21 1. Find the factors of 21. 2. 10 % of the 150. Created by Mr. Lafferty

Problems www. mathsrevision. com Level 2 Learning Intention Success Criteria 1. We are problem solving with multiples and factors. 20 -Feb-21 Created by Mr. Lafferty 1. Be able to solve problems involving multiples and factors.

Factor Problem Say which multiple bucket each number can go in. 2 6 Multiples of 2 20 -Feb-21 12 18 57 Multiples of 3 Created by Mr. Lafferty 60 Multiples of 4

Multiple Problem Say which multiple box each number can go in. 3 5 Factor 15 20 -Feb-21 6 9 12 18 Factor 24 Created by Mr. Lafferty Factor 72

Have you updated your Learning Log ? Problems www. mathsrevision. com Level 2 Now try TJ 2 a Ex 3 Ch 17 (page 170) 20 -Feb-21 Created by Mr. Lafferty

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