## Basic Math Calculators: (85) lessons

##### Absolute Difference

Free Absolute Difference Calculator - Calculates the absolute difference between 2 numbers

##### Absolute Value

Free Absolute Value Calculator - Add, subtract, multiply or divide any two numbers with absolute value signs. Positive Difference.

##### Accuracy and Precision

Free Accuracy and Precision Calculator - Given an integer or decimal, this determines the precision and accuracy (scale)

Free Addition and Multiplication Multiples Calculator - Shows all addition and multiplication multiples up to 20 for a positive integer

##### Addition and Multiplication Tables (Times Tables)

Free Addition and Multiplication Tables (Times Tables) Calculator - Shows the color coded addition or multiplication table entries and answer for any 2 numbers 1-15.

Free Addition Equality Property Calculator - Demonstrates the Addition Equality Property Numerical Properties

##### Addition of 3 or more numbers

Free Addition of 3 or more numbers Calculator - This calculator performs addition with carrying and an addition grid for 3 or more numbers.

Free Addition Property Of Inequality Calculator - Demonstrates the Addition Property Of Inequality. Numerical Properties

Free Additive Identity Property Calculator - Displays the line by line proof for the additive identity property Numerical Properties

Free Additive Inverse Property Calculator - Demonstrates the Additive Inverse property using a number. A + (-A) = 0 Numerical Properties

##### Associative Property

Free Associative Property Calculator - Demonstrates the associative property using 3 numbers. Covers the Associative Property of Addition and Associative Property of Multiplication. Also known as the Associative Law of Addition and Associative Law of Multiplication Numerical Properties

##### Balancing Equations

Free Balancing Equations Calculator - Given 4 numbers, this will use the four operations: addition, subtraction, multiplication, or division to balance the equations if possible.

##### Basic Math Operations

Free Basic Math Operations Calculator - Given 2 numbers, this performs the following arithmetic operations:
* Subtraction (Subtracting) (-)
* Multiplication (Multiplying) (x)
* Long division (Dividing) with a remainder (÷)
* Long division to decimal places (÷)
* Partial Sums (Shortcut Sums)
* Short Division
* Duplication and Mediation

##### Benchmark Fractions

Free Benchmark Fractions Calculator - Adds or Subtracts or Compares 2 fractions using estimating sums or estimating differences with benchmark fractions.

##### Ceiling

Free Ceiling Calculator - Calculates the ceiling of a number

##### Closest Number

Free Closest Number Calculator - Calculates the closest number of your choice from a given set of numbers

##### Commutative Property

Free Commutative Property Calculator - Demonstrates the commutative property of addition and the commutative property of multiplication using 3 numbers. Numerical Properties

##### Comparison of Numbers

Free Comparison of Numbers Calculator - Compares two numbers and checks to see if they are equal to one another, if the first number is greater than the second number, or the first number is less than the second number. Minimum and maximum.

##### Counting

Free Counting Calculator - Counts up from a number to another number using a factor
Counts down from one number to another number using a factor. Also known as skip counting.

##### Counting by Tens

Free Counting by Tens Calculator - Counts by Tens

##### Counting on a Number Line

Free Counting on a Number Line Calculator - Shows addition or subtraction by moving left or right on a number line.

##### Counting with Groups of 10 and Leftovers

Free Counting with Groups of 10 and Leftovers Calculator - This calculator finds the total using groups of tens and leftover values.

##### Decompose Number Pairs

Free Decompose Number Pairs Calculator - Decomposes a number into number pairs of sums.

##### Distributive Property

Free Distributive Property Calculator - Demonstrates the distributive property using 3 numbers. Numerical Properties

##### Division Equality Property

Free Division Equality Property Calculator - Demonstrates the Division Equality Property Calculator Numerical Properties

##### Division Property Of Inequality

Free Division Property Of Inequality Calculator - Demonstrates the Division Property Of Inequality Numerical Properties

##### Duplication and Mediation

Free Duplication and Mediation Calculator - Multiplies two numbers using Duplication and Mediation

##### Estimate Decimals

Free Estimate Decimals Calculator - This calculator estimates a decimal.

##### Estimate Fraction

Free Estimate Fraction Calculator - Estimates a fraction using a benchmark fractions of 1/2.

##### Estimate Sums

Free Estimate Sums Calculator - Estimates the sum of 2 numbers.

##### Estimating Reasonableness of Products

Free Estimating Reasonableness of Products Calculator - Given a product of 2 numbers and an estimated product, this will check to see if it is reasonable

##### Even Numbers

Free Even Numbers Calculator - Shows a set amount of even numbers and cumulative sum

##### Fibonacci Sequence

Free Fibonacci Sequence Calculator - Generates a list of the first 100 Fibonacci numbers. Also shows how to generate the nth Fibonacci number using Binet's Formula

##### Floor

Free Floor Calculator - Determines the floor of a number

##### Fraction Cancellation Property

Free Fraction Cancellation Property Calculator - Demonstrates the Fraction Cancellation Property also known as Cancellation Property of Fractions Numerical Properties

##### Greatest Common Factor and Least Common Multiple

Free Greatest Common Factor and Least Common Multiple Calculator - Given 2 or 3 numbers, the calculator determines the following:
* Greatest Common Factor (GCF) using Factor Pairs
* Rewrite Sum using the Distributive Property and factoring out the GCF
* Least Common Multiple (LCM) / Least Common Denominator (LCD) using Factor Pairs
* GCF using the method of Successive Division
* GCF using the Prime Factorization method
* Determine if the numbers are coprime and twin prime

##### Int Function

Free Int Function Calculator - Determines the integer of a number

##### Largest Possible Number

Largest Possible Number Calculator - Calculates the largest possible number from a given set of digits

##### Lattice Multiplication

Free Lattice Multiplication Calculator - Performs Lattice Multiplication or the Napiers Bones (Napier Rods) method of multiplication

##### Lucas Numbers

Free Lucas Numbers Calculator - Generates a list of the first 100 Lucas numbers.

##### Multiple Fractions (Addition or Ordering)

Free Multiple Fractions (Addition or Ordering) Calculator - This adds 3 or more fractions or arranges a list of fractions from lowest to highest and highest to lowest (ordering fractions or sorting fractions)

##### Multiplication Array

Free Multiplication Array Calculator - This allows you to enter pictorials using * symbols to represent multiplication

##### Multiplication Comparison

Free Multiplication Comparison Calculator - Evaluates a multiplication comparison

##### Multiplication Equality Property

Free Multiplication Equality Property Calculator - Demonstrates the Multiplication Equality Property Numerical Properties

##### Multiplication Property Of Inequality

Free Multiplication Property Of Inequality Calculator - Demonstrates the Multiplication Property Of Inequality Numerical Properties

##### Multiplicative Comparison

Free Multiplicative Comparison Calculator - Performs a multiplicative comparison word problem.

##### Multiplicative Identity Property

Free Multiplicative Identity Property Calculator - Demonstrates the Multiplicative Identity property using a number. Numerical Properties

##### Multiplicative Inverse Property

Free Multiplicative Inverse Property Calculator - Demonstrates the Multiplicative Inverse property using a number. Numerical Properties

##### Natural Numbers

Free Natural Numbers Calculator - Shows a set amount of natural numbers and cumulative sum

##### Number Bonds

Free Number Bonds Calculator - Adds or subtracts 2 numbers and using grouping by 10 or 100. Also called number bonds or addition facts. Multiplies two numbers using tape diagrams.

##### Number Information

Free Number Info Calculator - Calculates number info for a positive integer

##### Number Line

Free Number Line Calculator - Counts from a point going left and right on a number line

##### Number Line Midpoint

Free Number Line Midpoint Calculator - Calculates a midpoint between 2 points on a number line or finds the second endpoint if one endpoint and midpoint are given.

##### Odd Numbers

Free Odd Numbers Calculator - Shows a set amount of odd numbers and cumulative sum

##### Opposite Numbers

Free Opposite Numbers Calculator - Given a positive or negative integer (n), this calculates the opposite number of n

##### Ordering Numbers

Free Ordering Numbers Calculator - Given a list of numbers, this will order the list ascending (lowest to highest or least to greatest) or descending (highest to lowest or greatest to least)

##### Ordinal Number

Free Ordinal Number Calculator - This calculator determines the ordinal number of an integer

##### Partial Quotient

Free Partial Quotient Calculator - Divides 2 numbers using the Partial Quotient

##### Partial Sum

Free Partial Sum Calculator - Calculates a partial sum for 2 numbers.

##### Percent Math

Free Percent Math Calculator - Simplifies expressions involving numbers and percents with respect to addition and subtraction

##### Predecessor

Free Predecessor Calculator - Calculates the predecessor number to a given number

##### Prime Numbers

Free Prime Numbers Calculator - Shows up to 3000 prime numbers and a cumulative sum

##### Rational Number Subtraction

Free Rational Number Subtraction Calculator - Subtracting 2 numbers, this shows an equivalent operations is adding the additive inverse. p - q = p + (-q)

##### Reflexive Property

Free Reflexive Property Calculator - Demonstrates the reflexive property of congruence using a number. Numerical Properties

##### Regrouping

Free Regrouping Calculator - Subtracts two numbers using regrouping

##### Rounding

Free Rounding Calculator - Rounds a number to the nearest number of your choice

##### Rounding to Decimal Places

Free Rounding to Decimal Places Calculator - Rounds a number to a select number of decimal places

##### Sales Tax

Free Sales Tax Calculator - Given a sales price and a total bill, this calculates the sales tax amount and sales tax percentage

Free Shading Decimals Calculator - This calculator shades a grid for a decimal.

##### Significant Figures

Free Significant Figures Calculator - Rounds a number to a select number of significant figures

##### Smallest Possible Number

Smallest Possible Number Calculator - Calculates the smallest possible number from a given set of numbers

##### Subtraction Equality Property

Free Subtraction Equality Property Calculator - Demonstrates the Subtraction Equality Property Numerical Properties

##### Subtraction Property Of Inequality

Free Subtraction Property Of Inequality Calculator - Demonstrates the Subtraction Property Of Inequality Numerical Properties

##### Successor

Free Successor Calculator - Calculates the successor number to a given number

##### Symmetric Property

Free Symmetric Property Calculator - Demonstrates the Symmetric property using a number. Numerical Properties

##### Tally Marks

Free Tally Marks Calculator - Shows the tally mark representation (tallies) for a positive integer.

##### Ten Frame

Free Ten Frame Calculator - Builds a ten frame (dot card) for a number and shows numbers more and less.

##### Transitive Property of Equality

Free Transitive Property of Equality Calculator - Demonstrates the Transitive property of equality using a number. Numerical Properties

##### Trichotomy Property

Free Trichotomy Property Calculator - Demonstrates the Trichotomy Property with 2 numbers. Numerical Properties

##### True False Equations

Free True False Equations Calculator - Determines if a set of addition and subtraction of numbers on each side of an equation are equivalent. Also known as true or false equations

##### Truncate

Free Truncate Calculator - Truncates a number to a specified number of decimal places. Truncates decimals.

##### Unknown Number

Free Unknown Number Calculator - Determines the unknown number needed to make an equation true.

##### Vinculum

Free Vinculum Calculator - Shows you the various examples and definition of a vinculum

##### Whole Numbers

Free Whole Numbers Calculator - Shows a set amount of whole numbers and cumulative sum

##### Zero Multiplication Property

Free Zero Multiplication Property Calculator - Demonstrates the Zero Multiplication property using a number. Also called the Zero Product Property. Numerical Properties