 ## Basic Math Calculators: (80) lessons

Absolute Difference
Calculates the absolute difference between 2 numbers
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Absolute Value
Add, subtract, multiply or divide any two numbers with absolute value signs. Positive Difference.
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Accuracy and Precision
Given an integer or decimal, this determines the precision and accuracy (scale)
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Shows all addition and multiplication multiples up to 20 for a positive integer
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Addition and Multiplication Tables (Times Tables)
Shows the color coded addition or multiplication table entries and answer for any 2 numbers 1-15.
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Demonstrates the Addition Equality Property Numerical Properties
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Addition of 3 or more numbers
This calculator performs addition with carrying and an addition grid for 3 or more numbers.
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Demonstrates the Addition Property Of Inequality. Numerical Properties
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Displays the line by line proof for the additive identity property Numerical Properties
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Demonstrates the Additive Inverse property using a number. A + (-A) = 0 Numerical Properties
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Associative Property
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
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Balancing Equations
Given 4 numbers, this will use the four operations: addition, subtraction, multiplication, or division to balance the equations if possible.
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Basic Math Operations
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
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Benchmark Fractions
Adds or Subtracts or Compares 2 fractions using estimating sums or estimating differences with benchmark fractions.
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Ceiling
Calculates the ceiling of a number
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Commutative Property
Demonstrates the commutative property of addition and the commutative property of multiplication using 3 numbers. Numerical Properties
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Comparison of Numbers
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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Counting
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.
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Counting by Tens
Counts by Tens
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Counting on a Number Line
Shows addition or subtraction by moving left or right on a number line.
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Counting with Groups of 10 and Leftovers
This calculator finds the total using groups of tens and leftover values.
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Decompose Number Pairs
Decomposes a number into number pairs of sums.
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Distributive Property
Demonstrates the distributive property using 3 numbers. Numerical Properties
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Division Equality Property Calculator
Demonstrates the Division Equality Property Calculator Numerical Properties
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Division Property Of Inequality
Demonstrates the Division Property Of Inequality Numerical Properties
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Duplication and Mediation
Multiplies two numbers using Duplication and Mediation
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Estimate Decimals
This calculator estimates a decimal.
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Estimate Fraction
Estimates a fraction using a benchmark fractions of 1/2.
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Estimate Sums
Estimates the sum of 2 numbers.
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Estimating Reasonableness of Products
Given a product of 2 numbers and an estimated product, this will check to see if it is reasonable
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Even Numbers
Shows a set amount of even numbers and cumulative sum
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Fibonacci Sequence
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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Floor
Determines the floor of a number
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Fraction Cancellation Property
Demonstrates the Fraction Cancellation Property also known as Cancellation Property of Fractions Numerical Properties
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Greatest Common Factor and Least Common Multiple
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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Int Function
Determines the integer of a number
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Lattice Multiplication
Performs Lattice Multiplication or the Napiers Bones (Napier Rods) method of multiplication
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Lucas Numbers
Generates a list of the first 100 Lucas numbers.
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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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Multiplication Array
This allows you to enter pictorials using * symbols to represent multiplication
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Multiplication Comparison
Evaluates a multiplication comparison
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Multiplication Equality Property
Demonstrates the Multiplication Equality Property Numerical Properties
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Multiplication Property Of Inequality
Demonstrates the Multiplication Property Of Inequality Numerical Properties
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Multiplicative Comparison
Performs a multiplicative comparison word problem.
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Multiplicative Identity Property
Demonstrates the Multiplicative Identity property using a number. Numerical Properties
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Multiplicative Inverse Property
Demonstrates the Multiplicative Inverse property using a number. Numerical Properties
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Natural Numbers
Shows a set amount of natural numbers and cumulative sum
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Number Bonds
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.
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Number Line
Counts from a point going left and right on a number line
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Number Line Midpoint
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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Odd Numbers
Shows a set amount of odd numbers and cumulative sum
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Opposite Numbers
Given a positive or negative integer (n), this calculates the opposite number of n
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Ordering Numbers
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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Ordinal Number
This calculator determines the ordinal number of an integer
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Partial Quotient
Divides 2 numbers using the Partial Quotient
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Partial Sum
Calculates a partial sum for 2 numbers.
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Percent Math
Simplifies expressions involving numbers and percents with respect to addition and subtraction
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Predecessor
Calculates the predecessor number to a given number
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Prime Numbers
Shows up to 3000 prime numbers and a cumulative sum
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Rational Number Subtraction
Subtracting 2 numbers, this shows an equivalent operations is adding the additive inverse. p - q = p + (-q)
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Reflexive Property
Demonstrates the reflexive property of congruence using a number. Numerical Properties
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Regrouping
Subtracts two numbers using regrouping
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Rounding
Rounds a number to the nearest number of your choice
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Rounding to Decimal Places
Rounds a number to a select number of decimal places
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Sales Tax
Given a sales price and a total bill, this calculates the sales tax amount and sales tax percentage
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This calculator shades a grid for a decimal.
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Subtraction Equality Property
Demonstrates the Subtraction Equality Property Numerical Properties
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Subtraction Property Of Inequality
Demonstrates the Subtraction Property Of Inequality Numerical Properties
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Successor
Calculates the successor number to a given number
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Symmetric Property
Demonstrates the Symmetric property using a number. Numerical Properties
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Tally Marks
Shows the tally mark representation (tallies) for a positive integer.
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Ten Frame
Builds a ten frame (dot card) for a number and shows numbers more and less.
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Transitive Property of Equality
Demonstrates the Transitive property of equality using a number. Numerical Properties
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Trichotomy Property
Demonstrates the Trichotomy Property with 2 numbers. Numerical Properties
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True False Equations
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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Truncate
Truncates a number to a specified number of decimal places. Truncates decimals.
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Unknown Number
Determines the unknown number needed to make an equation true.
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Vinculum
Shows you the various examples and definition of a vinculum
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Whole Numbers
Shows a set amount of whole numbers and cumulative sum
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Zero Multiplication Property
Demonstrates the Zero Multiplication property using a number. Also called the Zero Product Property. Numerical Properties
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