Maths Flash Cards

4 3
3 r
r2 h 4r2




V olume of Cylinder V olume of Sphere S urface Area
of Sphere



C urved Surface C urved Surf ace of Cone
2rh
Area of Cylinder

P ercentage Increase P ercentage Decrease rl




Increase Decrease
Original Amount ×100% Original Amount ×100%
B ox P lots



T he Median
H orizontal Axis : C lass Width
H istograms T he Upper & Lower Quartiles
V ertical Axis :
T he Max.& Min.V alues
F requency Density

F ind the
E valuate P owers P ercentage of Amount
M idpoint of a Line without the
calculator
E .g : F ind 30% of £300
+ the x axiss ÷it by 2 T imes the number 10% of £300 = £30
+ the y axiss & ÷ it…

Adding & Subtracting
C hange to a % M ultiplying & Dividing by
without the calculator by Negatives N egatives +
P ostitive

E .g : W rite 40 out of 50 I f the signs are the + + =+
×the denominator to same, the answer is +
get…