Mathematics

Use an Abacus

Calculate Percentages

Measure Centimeters

Do Math in Your Head: Easy Tricks for Mental Calculations

Measure Grams

Write Numbers in Words

Calculate Percentages on a Calculator

Calculate Ratios

Calculate Pi

Use the Percent Change Formula

Use a Slide Rule

Subtract Fractions from Whole Numbers

Calculate Percentage Increase

Add Fractions with Whole Numbers: Student Tutorial

Calculate Growth Rate

Find the Y Intercept

Find the Domain of a Function

Compute Pi with Frozen Hot Dog Wieners

Read a Measuring Tape in Meters (Even if You Hate Math)

Interpolate

Read Binary

Calculate Combinations

Check if a Number Is Prime

Calculate Cubic Inches

Make a Protractor

Learn Math

Memorize Pi: All the Best Methods

Find the Domain and Range of a Function

Take Perfect Math Notes

Read Roman Numerals: Learning Guide for Beginners

Figure Out Your Test Score

Find Mean, Median, and Mode

Count in Binary

Solve Combined Labor Problems

Calculate Precision

Add and Subtract Fractions

Improve Math Skills

Solve Simultaneous Equations Using Elimination Method

Calculate Uncertainty

Find the Sum of an Arithmetic Sequence

Understand Hexadecimal

Find the Median and Mean of a Histogram + Examples

Find How Many Diagonals Are in a Polygon

Simplify Expressions in Math

Be Good at Mathematics

Improve Your Mathematical Calculation Skills

Find Cubic Feet

Calculate Days of the Week Like Rainman

Memorize Numbers

Calculate the Fibonacci Sequence: Regular Method and Golden Ratio Trick

Calculate Population Density

Round to the Nearest Tenth

Calculate a Light Year

Calculate the Day of the Week

Calculate Slope, Y-Intercept, and X-Intercept

Study for a Math Exam

Find Equilibrium Quantity

Solve Math Problems

Divide a Square Into Eight Equal Parts

Find the Dependent & Independent Variables (With Examples)

Compute Permutations: A Step-by-Step Guide

Get a Last Minute Passing Grade on a Mathematics Exam

Pass a Placement Test for College Math

Measure Length

Find Scale Factor

Multiply or Divide Two Percentages

Divide Polynomials

Measure Parallelism

Round Numbers

Subtract Percentages in Math

Memorize Math and Physics Formulas

Determine if a Function is Even or Odd

Square Any Number

Measure an O‐Ring Diameter

Be a Good Mathematician

Read Roman Numerals

Relearn Math

Calculate the List Price of an Item on Sale

Solve Proportions

Make an Abacus

Calculate Relative Error

Make Math Symbols on Your Mac (OS X)

Find the Average Rate of Change From Tables, Graphs, and Functions

Find Mode, Median, Mean and Range

Find How Many Factors Are in a Number

Speed Up Numeric Calculations in Mathematics

Round Decimals

Calculate a Company’s Operating Profit Margin

Do a Double Linear Interpolation

Calculate Average or Mean of Consecutive Numbers