Absolute DifferenceFree Absolute Difference Calculator - Calculates the absolute difference between 2 numbers
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Watch the VideoAbsolute ValueFree Absolute Value Calculator - Add, subtract, multiply or divide any two numbers with absolute value signs. Positive Difference.
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Watch the VideoAccuracy and PrecisionFree Accuracy and Precision Calculator - Given an integer or decimal, this determines the precision and accuracy (scale)
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Watch the VideoAddition and Multiplication MultiplesFree Addition and Multiplication Multiples Calculator - Shows all addition and multiplication multiples up to 20 for a positive integer
CalculatorAddition 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.
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Watch the VideoAddition Equality PropertyFree Addition Equality Property Calculator - Demonstrates the Addition Equality Property
Numerical Properties
CalculatorAddition of 3 or more numbersFree Addition of 3 or more numbers Calculator - This calculator performs addition with carrying and an addition grid for 3 or more numbers.
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Watch the VideoAddition Property Of InequalityFree Addition Property Of Inequality Calculator - Demonstrates the Addition Property Of Inequality.
Numerical Properties
CalculatorAdditive Identity PropertyFree Additive Identity Property Calculator - Displays the line by line proof for the additive identity property
Numerical Properties
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Watch the VideoAdditive Inverse PropertyFree Additive Inverse Property Calculator - Demonstrates the Additive Inverse property using a number. A + (-A) = 0
Numerical Properties
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Watch the VideoAssociative PropertyFree 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
CalculatorBalancing EquationsFree Balancing Equations Calculator - Given 4 numbers, this will use the four operations: addition, subtraction, multiplication, or division to balance the equations if possible.
CalculatorBasic Math OperationsFree Basic Math Operations Calculator - Given 2 numbers, this performs the following arithmetic operations:
* Addition (Adding) (+)
* 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
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Watch the VideoBenchmark FractionsFree Benchmark Fractions Calculator - Adds or Subtracts or Compares 2 fractions using estimating sums or estimating differences with benchmark fractions.
CalculatorCeilingFree Ceiling Calculator - Calculates the ceiling of a number
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Watch the VideoCommutative PropertyFree Commutative Property Calculator - Demonstrates the commutative property of addition and the commutative property of multiplication using 3 numbers.
Numerical Properties
CalculatorComparison of NumbersFree 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.
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Watch the VideoCountingFree 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.
CalculatorCounting by TensFree Counting by Tens Calculator - Counts by Tens
CalculatorCounting on a Number LineFree Counting on a Number Line Calculator - Shows addition or subtraction by moving left or right on a number line.
CalculatorCounting with Groups of 10 and LeftoversFree Counting with Groups of 10 and Leftovers Calculator - This calculator finds the total using groups of tens and leftover values.
CalculatorDecompose Number PairsFree Decompose Number Pairs Calculator - Decomposes a number into number pairs of sums.
CalculatorDistributive PropertyFree Distributive Property Calculator - Demonstrates the distributive property using 3 numbers.
Numerical Properties
CalculatorDivision Equality PropertyFree Division Equality Property Calculator - Demonstrates the Division Equality Property Calculator
Numerical Properties
CalculatorDivision Property Of InequalityFree Division Property Of Inequality Calculator - Demonstrates the Division Property Of Inequality
Numerical Properties
CalculatorDuplication and MediationFree Duplication and Mediation Calculator - Multiplies two numbers using Duplication and Mediation
CalculatorEstimate DecimalsFree Estimate Decimals Calculator - This calculator estimates a decimal.
CalculatorEstimate FractionFree Estimate Fraction Calculator - Estimates a fraction using a benchmark fractions of 1/2.
CalculatorEstimate SumsFree Estimate Sums Calculator - Estimates the sum of 2 numbers.
CalculatorEstimating Reasonableness of ProductsFree Estimating Reasonableness of Products Calculator - Given a product of 2 numbers and an estimated product, this will check to see if it is reasonable
CalculatorEven NumbersFree Even Numbers Calculator - Shows a set amount of even numbers and cumulative sum
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Watch the VideoFibonacci SequenceFree 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
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Watch the VideoFloorFree Floor Calculator - Determines the floor of a number
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Watch the VideoFraction Cancellation PropertyFree Fraction Cancellation Property Calculator - Demonstrates the Fraction Cancellation Property also known as Cancellation Property of Fractions
Numerical Properties
CalculatorGreatest Common Factor and Least Common MultipleFree 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
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Watch the VideoInt FunctionFree Int Function Calculator - Determines the integer of a number
CalculatorLattice MultiplicationFree Lattice Multiplication Calculator - Performs Lattice Multiplication or the Napiers Bones (Napier Rods) method of multiplication
CalculatorLucas NumbersFree Lucas Numbers Calculator - Generates a list of the first 100 Lucas numbers.
CalculatorMultiple 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)
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Watch the VideoMultiplication ArrayFree Multiplication Array Calculator - This allows you to enter pictorials using * symbols to represent multiplication
CalculatorMultiplication ComparisonFree Multiplication Comparison Calculator - Evaluates a multiplication comparison
CalculatorMultiplication Equality PropertyFree Multiplication Equality Property Calculator - Demonstrates the Multiplication Equality Property
Numerical Properties
CalculatorMultiplication Property Of InequalityFree Multiplication Property Of Inequality Calculator - Demonstrates the Multiplication Property Of Inequality
Numerical Properties
CalculatorMultiplicative ComparisonFree Multiplicative Comparison Calculator - Performs a multiplicative comparison word problem.
CalculatorMultiplicative Identity PropertyFree Multiplicative Identity Property Calculator - Demonstrates the Multiplicative Identity property using a number.
Numerical Properties
CalculatorMultiplicative Inverse PropertyFree Multiplicative Inverse Property Calculator - Demonstrates the Multiplicative Inverse property using a number.
Numerical Properties
CalculatorNatural NumbersFree Natural Numbers Calculator - Shows a set amount of natural numbers and cumulative sum
CalculatorNumber BondsFree 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.
CalculatorNumber InformationFree Number Info Calculator - Calculates number info for a positive integer
CalculatorNumber LineFree Number Line Calculator - Counts from a point going left and right on a number line
CalculatorNumber Line MidpointFree 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.
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Watch the VideoOdd NumbersFree Odd Numbers Calculator - Shows a set amount of odd numbers and cumulative sum
CalculatorOpposite NumbersFree Opposite Numbers Calculator - Given a positive or negative integer (n), this calculates the opposite number of n
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Watch the VideoOrdering NumbersFree 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)
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Watch the VideoOrdinal NumberFree Ordinal Number Calculator - This calculator determines the ordinal number of an integer
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Watch the VideoPartial QuotientFree Partial Quotient Calculator - Divides 2 numbers using the Partial Quotient
CalculatorPartial SumFree Partial Sum Calculator - Calculates a partial sum for 2 numbers.
CalculatorPercent MathFree Percent Math Calculator - Simplifies expressions involving numbers and percents with respect to addition and subtraction
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Watch the VideoPredecessorFree Predecessor Calculator - Calculates the predecessor number to a given number
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Watch the VideoPrime NumbersFree Prime Numbers Calculator - Shows up to 3000 prime numbers and a cumulative sum
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Watch the VideoRational Number SubtractionFree Rational Number Subtraction Calculator - Subtracting 2 numbers, this shows an equivalent operations is adding the additive inverse. p - q = p + (-q)
CalculatorReflexive PropertyFree Reflexive Property Calculator - Demonstrates the reflexive property of congruence using a number.
Numerical Properties
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Watch the VideoRegroupingFree Regrouping Calculator - Subtracts two numbers using regrouping
CalculatorRoundingFree Rounding Calculator - Rounds a number to the nearest number of your choice
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Watch the VideoRounding to Decimal PlacesFree Rounding to Decimal Places Calculator - Rounds a number to a select number of decimal places
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Watch the VideoSales TaxFree Sales Tax Calculator - Given a sales price and a total bill, this calculates the sales tax amount and sales tax percentage
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Watch the VideoShading DecimalsFree Shading Decimals Calculator - This calculator shades a grid for a decimal.
CalculatorSubtraction Equality PropertyFree Subtraction Equality Property Calculator - Demonstrates the Subtraction Equality Property
Numerical Properties
CalculatorSubtraction Property Of InequalityFree Subtraction Property Of Inequality Calculator - Demonstrates the Subtraction Property Of Inequality
Numerical Properties
CalculatorSuccessorFree Successor Calculator - Calculates the successor number to a given number
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Watch the VideoSymmetric PropertyFree Symmetric Property Calculator - Demonstrates the Symmetric property using a number.
Numerical Properties
CalculatorTally MarksFree Tally Marks Calculator - Shows the tally mark representation (tallies) for a positive integer.
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Watch the VideoTen FrameFree Ten Frame Calculator - Builds a ten frame (dot card) for a number and shows numbers more and less.
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Watch the VideoTransitive Property of EqualityFree Transitive Property of Equality Calculator - Demonstrates the Transitive property of equality using a number.
Numerical Properties
CalculatorTrichotomy PropertyFree Trichotomy Property Calculator - Demonstrates the Trichotomy Property with 2 numbers.
Numerical Properties
CalculatorTrue False EquationsFree 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
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Watch the VideoTruncateFree Truncate Calculator - Truncates a number to a specified number of decimal places. Truncates decimals.
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Watch the VideoUnknown NumberFree Unknown Number Calculator - Determines the unknown number needed to make an equation true.
CalculatorVinculumFree Vinculum Calculator - Shows you the various examples and definition of a vinculum
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Watch the VideoWhole NumbersFree Whole Numbers Calculator - Shows a set amount of whole numbers and cumulative sum
CalculatorZero Multiplication PropertyFree Zero Multiplication Property Calculator - Demonstrates the Zero Multiplication property using a number. Also called the Zero Product Property.
Numerical Properties
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