2024/2025 | FULL-LENGTH + DETAILED
ANSWER RATIONALES | ALGEBRA,
MEASUREMENTS & WORD PROBLEMS
move decimal 2 places right or multiply by x100
decimal to percent
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, percent to decimal divide by 100 or move decimal two places to the
left
decimal to fraction divide the decimal by the place value of the
decimla part and remove the decimal from
the numerator. (0.75 = 75/100 = 3/4)
fraction to decimal Divide numerator by denominator
fraction to percent divide the numerator by the denominator then
multiply by 100
percent to fraction
F to C 5/9(F-32)
C to F 9/5(C) + 32
perimeter of a triangle P= a + b + c
area of a triangle A=bh/2
area of a trapezoid A=1/2h(b1+b2)
perimeter of trapezoid P= a +b1 + c + b2
area of a a=bh
parralelogram
perimeter of a p=2a+2b
paralleogram
area of a rectangle a=lw
perimeter of a p=2l + 2W
rectangle
area of rhombus a= d1d2/2
perimeter of a 2 sr(d1^2 + d2^2)
rhombus
area of a square a=s²
perimeter of a square p=4s
area of a circle A=πr²
perimeter of a circle C=2πr
volume of any prism V=Bh
volume of rectangular V=lwh
prism
volume of a cube V=sr
volume of a sphere V=4/3πrr
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