LET Reviewer: BASIC MATHEMATICS Formula

Drills English Major Filipino Major Biological Science Major Physical Science Major Mathematics Major Social Studies/Sciences Values Education Major MAPEH Major Agriculture and Fishery Arts TLE Major

Drills English Filipino Mathematics Science Social Science

Drills Philippine Professional Standards for Teachers (PPST) Teaching Profession Social Dimensions of Education Principles of Teaching Educational Technology Curriculum Development Facilitating Learning Child and Adolescent Development Assessment of Student Learning Developmental Reading Field Study Practice Teaching

☰

Perimeter of a Square
- P = 4s

Perimeter of a Rectangle
- P=2l+2w

Circumference of a Circle
- C = 2πr OR πd

Area of a Square
- A=s²

Area of a Rectangle/ Square
- A=lw

Area of a Parallelogram
- A=bh

Area of a Trapezoid
- A=½(b₁+b₂)h

Area of a Circle
- A=πr²

Surface Area of a Rectangular Prism
- SA = 2lw + 2wh + 2lh

Surface Area of a Circular Prism (Cylinder)
- 2pR² + 2pRH

Surface Area of a Triangular Prism
- bh + (S1+ S2 + S3)H

Base shape: Triangle:
base 'b', height 'h', and sides S1, S2 and S3

Area of base
: ½b×h

Perimeter of base:
 S1+ S2 + S3

Surface Area of a Cone
- SA=πrl+πr²

Surface Area of a Sphere
- SA=4πr²

Volume of a Cube
- V=s³

Volume of a Prism
 - V =Bh

Volume of a Pyramid
- V=⅓Bh

Volume of a Cone
- V=1/3πr²h

Volume of a Sphere
 - V=(4/3)πr³

average = sum of terms / number of terms

average speed = total distance / total time

mode = value in the list that appears most often

median = middle value in the list

Area of a Trapezoid
- A=½(b₁+b₂)h

Slope Formula
- m=y₂-y₁/x₂-x₁

Slope-Intercept Form
- y=mx+b, where m is the slope and b is the y-intercept of the line.

Point-Slope Form
- y-y₁=m(x-x₁), where m is the slope and (x₁,y₁) is a given point on the line

Standard Form (Linear Equations)
- Ax + By=C, where A, B, and C are not decimals or fractions, where A and B are not both zero, and where A is not a negative

Standard Form (Quadratic Equations)
- ax² + bx + c = 0

Quadratic Formula
- x = -b ± √(b² - 4ac)/2a

Standard Form (Quadratic Functions)
- y=ax²+bx+c

Intercept Form (Quadratic Functions)
- the form y=a(x-p)(x-q), where the x-intercepts of the graph are p and q

Vertex Form (Quadratic Functions)
- y=a(x-h)²+k

Exponential Growth Formula
- y = a (1 + r), r is a decimal value for the percent increase

Exponential Decay Formula
- y = a(1 - r), r is a decimal value for the percent decrease

Arithmetic Sequence Formula
- a₁+(n-1)d

Geometric Sequence (Definition and Formula)
- a sequence that can be defined recursively as An = A(n-1)r

Simple Interest Formula
- I=Prt

Compound Interest Formula
- A = P(1 + r/n)^(n x t), r is the rate, n is the number of times compounded, t is time

Distance Formula
- d = √[( x₂ - x₁)² + (y₂ - y₁)²]

Midpoint Formula
- (x₁+x₂)/2, (y₁+y₂)/2

Distance Traveled Formula
- d=rt

1 kg (kilograms) --> lbs - 2.2 lbs (pounds)

1 kg (kilograms) --> grams - 1000 g (grams)

1 g (gram) --> milligrams - 1000 mg (milligrams)

1000 mcg (micrograms) --> milligrams - 1 mg (milligram)

1000 mg (milligram) --> gram - 1 g (gram)

1000 mL (milliliters) --> liters - 1 L (liters)

30 mL (millilters) --> ounces - 1 oz (ounce)

30 mL (milliliters) --> tablespoon - 2 tbsp (tablespoons)

5 mL (milliliters) --> teaspoon - 1 tsp (teaspoon)

15 mL (milliliters) --> tablespoon - 1 tbsp (tablespoon)

DO NOT WRITE - trailing zeros ex: 5.0

DO WRITE - leading zeros ex: 0.5

Linear Function Format - Y = mx + b

Identity function format - F(x) = x

Square function format - Y = x^2

Cube function format? - Y = x^3

Square root function format? - Y = (x)^(1/2)

Exponential Function format? - y = e^x

Join us now

Facebook group