Maths

Question	Answer
Formulas	Numbers Algebra Graphs Shape & Space Handling Data
Numbers 1	% to / = ÷ by 100 / or .to % = *by 100 / as a . = x/y BIDMAS B- bracket I - indices D - division M - multipication A - addition S - subtraction Million = 1×10^6
Numbers 2	10^-n = 1/10^n a^m × a^n = a^m+n (a^m)^n a^m ÷ a^n = a^m-n
Numbers 3	compound% increase a no.R% = (1+R/100)^n decrease a no.R% = (1-R/100)^n HCF & LCM CI - A = P (1+R/100)^n SI - A = P( 1+Rn/100) I = A + P
Numbers 4	Inverse % Rounding max mini
Numbers 5	Proportion Terminating. recurring. recurring. = dot notation
Numbers 6	Inverse proportion Recurring. Terminating. = /x factor of 2,5 no. of repeating D 1 = 10
Numbers 7	1cm = 10mm 1m = 100cm 1km = 1000m 1nanom = 10^-9m 1microm = 10^-6m 1l = 1000cm^3 1picom = 10^-12m 1light year = 9.461 × 10^12 exponents
Numbers 8	Financial arithmetic wage = weehly paid salary = fixed amount monthly paid. Gross income = lump amount before deduction Personal allowance = earnings tax free (5000). taxable income = total income - 5000. Net income = income after tax
Numbers 9	rational no = made to /. irrational no = can't made into / surds = the root that is irrational

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	Created by sajnisudhagar123 almost 9 years ago