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

Calculate Percentage Increase

Subtract Fractions from Whole Numbers

Add Fractions with Whole Numbers: Student Tutorial

Calculate Growth Rate

Find the Y Intercept

Compute Pi with Frozen Hot Dog Wieners

Find the Domain of a Function

Read Binary

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

Interpolate

Calculate Combinations

Take Perfect Math Notes

Check if a Number Is Prime

Memorize Pi: All the Best Methods

Read Roman Numerals: Learning Guide for Beginners

Calculate Cubic Inches

Learn Math

Find the Domain and Range of a Function

Figure Out Your Test Score

Make a Protractor

Count in Binary

Find Mean, Median, and Mode

Solve Combined Labor Problems

Calculate Precision

Improve Math Skills

Solve Simultaneous Equations Using Elimination Method

Add and Subtract Fractions

Find the Sum of an Arithmetic Sequence

Improve Your Mathematical Calculation Skills

Simplify Expressions in Math

Find How Many Diagonals Are in a Polygon

Understand Hexadecimal

Calculate Uncertainty

Memorize Numbers

Find Cubic Feet

Find the Median and Mean of a Histogram + Examples

Calculate the Fibonacci Sequence: Regular Method and Golden Ratio Trick

Calculate Days of the Week Like Rainman

Be Good at Mathematics

Calculate the Day of the Week

Calculate Population Density

Round to the Nearest Tenth

Divide a Square Into Eight Equal Parts

Calculate a Light Year

Find Equilibrium Quantity

Study for a Math Exam

Be a Good Mathematician

Determine the Scale Factor of Similar Shapes

Measure Parallelism

Measure Length

Get a Last Minute Passing Grade on a Mathematics Exam

Find the Dependent & Independent Variables (With Examples)

Compute Permutations: A Step-by-Step Guide

Divide Polynomials

Calculate Slope, Y-Intercept, and X-Intercept

Pass a Placement Test for College Math

Memorize Math and Physics Formulas

Multiply or Divide Two Percentages

Solve Math Problems

Subtract Percentages in Math

Round Numbers

Determine if a Function is Even or Odd

Solve Proportions

Measure an O‐Ring Diameter

Calculate the List Price of an Item on Sale

Relearn Math

Read Roman Numerals

Square Any Number

Make Math Symbols on Your Mac (OS X)

Find How Many Factors Are in a Number

Round Decimals

Speed Up Numeric Calculations in Mathematics

Calculate Relative Error

Make an Abacus

Calculate a Company’s Operating Profit Margin

Calculate Average or Mean of Consecutive Numbers

Find Mode, Median, Mean and Range

Calculate On Base Percentage

Count to 99 on Your Fingers