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Maths- Foundation

1 Pythagoras Theorum

1.1 C2= A2+B2-> Square Root

1.1.1 A2= C2-B2 or B2=C2-A2

1.1.1.1 C is the hypotenuse and is always larger

2 Factorise= Put into brackets

2.1 4x+8= 4(x+8)

3 Straight line= 180

3.1 A= 98 B must= 102

4 Express 36 as a product of its primes

4.1 Factor tree

5 Highest common factor of 20 and 24

5.1 Factor tree and venn diagram

5.1.1 =4

6 Difficult multiplication sums such as 35x26

7 50%= O.5= 1/2

7.1 25%= 0.25= 1/4

7.2 75%= 0.75= 3/4

8 Trial and improvement

8.1 Put two values into the equation that give opposite outcomes- too big/too small

8.1.1 Work between the two numbers

9 Values

9.1 Mean- add all numbers up and divide by how many numbers you have

9.2 Mode- most common number

9.3 Range- biggest-smallest

9.4 Median- Middle number

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