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# GCSE Maths

### GCSE Maths Revision Cards

1. work out 5 + 2 x 3 11
2. expand (x + 1)(x + 3) X^2 + 4x + 3
3. expand (x-1)(x+4) x^2+3x-4
4. simplify 14x - 3x 11x
5. simplify 5a + 17a -18a 4a
6. simplify 3b x 2b / 6b b
7. solve for x (x -4)^2 = 9 x = 7, x = 1
8. write 549000 in standard form? 5.49 x 10^5
9. write 0.0000431 in standard form 4.31 x 10^-5
10. work out the side of the right angle triangle whose sides are a= 12 b = 8 c = ? c = 8.94
11. work out the angle of a right angle triangle whose opposite side is 7 and hypotenuse is 12? 35.69
12. work out the interior angle of a regular decagon (10 sided regular polygon) 144
13. what is the exterior angle of a regular decagon 36
Created by: pflora41