Integers

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1
Starter: Write down all the multiplications that have the answer 48. Do the same for 36. What numbers appear in both lists. What is the highest number to appear in both sets. Use this to define factors, common factors and HCF.

Main:. Find and identify factors, multiples, prime numbers, HCF and LCM.

Mymaths links: Number: Powers and Integers: Multiples, Factors and Primes, HCF, LCM
           
 2 Starter:  Problems involving negative number addition and subtraction.

Main; Prime factor decomposition using factor trees.

Product of prime factors powerpoint
 
E.g. 600 = 2 x 2 x 2 x 3 x 5 x 5
600  = 2³ x 3 x 5²
           
3
Starter: Problems involving negative number multiplication and division.

Main;  Finding reciprocals of integers, fractions and mixed numbers (this may not take a full lesson so the rest of the time can be used to consolidate the previous two lessons and/or negative numbers