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Physics
Mathematics
Number Operations
All Subcategories (316)
Absolute value
Absolute Value or Distance Measurement
Adding and subtracting
Adding and Subtracting Integers
Addition
Addition (or Number Line)
Addition and Decimal Numbers
Addition and Digit Manipulation
Addition and Digit Operations
Addition and Division
Addition and fractions
Addition and Multiplication
Addition and Multiplication Properties
Addition and Place Value
Addition and Subtraction
Addition and Subtraction of Integers
Addition and Subtraction on a Number Line
Addition and subtraction problems
Addition and Subtraction with Irrational Numbers
Addition in scientific notation
Addition of mixed numbers
Addition or Subtraction
Addition properties
Addition Puzzles
Addition Rules
Addition variation
Addition/Equality
Addition/subtraction
Additive Inverse
Additive Inverses
Algebraic Equations
Approximation
Approximation and Estimation
Approximations
Arithmetic
Arithmetic expressions
Arithmetic operations
Arithmetic problems
Arithmetic/Calculations
Arrays
Arrays and Factors
Average calculation
Average calculations
Base number systems
Basic Arithmetic
Basic Operations
Binary Subtraction
Building Numbers
Calculation
Calculation and Computation
Calculation by steps
Closure under Operations
Combination of numbers and operations
Common factors and multiples
Common Multiples
Commutative Property
Comparing and Identifying Numbers
Comparing and Ordering Numbers
Comparing Digits
Comparing Exponents
Comparing Integers
Comparing Numbers
Comparing Place Values
Comparing Rational Numbers
Comparing Values
Comparing Whole Numbers
Comparison
Comparison and Relation Symbols
Comparison of Absolute Values
Comparison of numbers
Comparison Operations
Comparisons
Comparisons of square roots
Comparisons or Subtraction
Compatible Numbers
Computation
Consecutive Integers
Conversion
Converting fractions to decimals
Converting percentages
Counting
Counting and Division
Counting and Probability
Creating Specific Numbers
Decimal Conversion
Decimal Expansion
Decimal Expansions
Decimal Form and Rationality
Decimal manipulation
Decimal Numbers
Decimal Operations
Decimal places
Decimal system
Decimal to Fraction Conversion
Decimal to Hexadecimal Conversion
Decimals
Decimals and Place Value
Difference and Comparison
Difference between Numbers
Digit Addition and Word Representation
Digit Arithmetic
Digit Comparison
Digit Manipulation
Digit Operations
Digit Patterns
Digit Place Value
Digit relationships
Digit relationships and patterns
Digit reversal
Digit Values
Digits and Place Value
Distributive Property
Distributive Property of Multiplication over Addition
Divisibility
Divisibility and Multiples
Divisibility and Remainders
Divisibility Rules
Division
Division and Place Value
Division Problems
Division, Multiplication, and Explanation of Relationship
Doubling numbers
Equality
Equations
Equations and Expressions
Equations or number relationships
Equivalence
Equivalency
Estimation
Estimations
Exceptional cases
Expanded form
Expanded Form of Numbers
Exponentiation
Exponents
Exponents and Powers
Exponents and Scientific Notation
Exponents or Powers
Expressions/Equations
Fact Families
Factorization
Factorization and Exponents
Factorization and Factors
Factors
Factors and Greatest Common Factor
Factors and Multiples
Factors and prime factors
Factors or Greatest Common Factor
Finding missing numbers and identifying number properties
Finding Numbers between Rational Numbers
Finding the LCM
Finding the Middle Number
Fractions
Fractions and Decimals
Fractions and Division
Fractions and Operations
Fractions, Decimals, and Percents
GCF (Greatest Common Factor)
GCF and LCM
Greater than or equal sign explanation
Greatest Common Factor
Greatest Common Factor (GCF)
Grid Patterns or Sequences
Guessing the Number
HCF and LCM
Inequalities
Integer operations
Integers
Integers and Operations
Inverse Operations
Irrational Numbers
LCM (Least Common Multiple)
LCM (Lowest Common Multiple)
LCM and GCF
Least Common Multiple
Least Common Multiple (LCM)
Manipulating Digits
Max and Min Values
Mean Calculation
Missing digits
Missing Digits and Number Sentences
Missing Place Value
Missing Sign
Mixed Numbers and Fractions
Money-related problems
Movement Patterns
Multiples
Multiples and Divisibility
Multiples and Factors
Multiplication
Multiplication and Addition
Multiplication and addition relations
Multiplication and Division
Multiplication and Division of Integers
Multiplication and division with signed numbers
Multiplication and exponentiation
Multiplication and Exponents
Multiplication and Factors
Multiplication and Inequalities
Multiplication and Patterns
Multiplication and Signed Numbers
Multiplication by Powers of Ten
Multiplication Explanation
Multiplication or Substitution
Multiplication Patterns
Multiplication Properties
Multiplication with exponents
Naming Numbers
Negative and Positive Numbers
Negative numbers
Notation and Representation
Number Approximation
Number Comparison
Number identification
Number Line
Number Line and Chart
Number line and intervals
Number Line Direction
Number Line Estimates
Number line representation
Number Lines
Number Manipulation
Number Order
Number Patterns
Number Patterns or Algebra
Number Patterns/Sequences
Number Representations
Number Sense
Number Sentence Formation
Number sentences
Odd and Even Numbers / Number Comparisons
Open Number Line
Open Number Line Subtraction
Operations with Decimals
Operations with digits
Operations with integers
Opposite and Absolute Value
Opposite numbers
Opposite of a number
Opposites
Opposites of numbers
Order of numbers
Order of Operations
Ordering
Ordering and Comparing Numbers
Ordering Fractions
Ordering integers
Ordering mixed numbers
Ordering negative and positive numbers
Ordering numbers
Ordering Numbers/Approximation
Ordering of integers
Ordinal Numbers
Pairing Numbers
Palindromes
Patterns
Patterns or Patterns in Multiplication
Percentage Calculation
Percentage Change
Percentages
Place value
Place Value and digit relationships
Place Value and Number Patterns
Place Value and Zeros
Place Value Operations
Place value or Decimal numbers
Place Value System
Positive and negative integers
Positive and Negative Numbers
Prime Factorization
Prime factorization, Multiplication
Prime Numbers
Problem Solving
Proof for Constant Output of 1
Proportions or Scale
Radical notation
Range
Rational and Irrational Numbers
Rational Numbers
Rational Numbers and Operations
Rational numbers and their properties
Rational numbers, Exponents
Ratios and Proportions
Rounding
Rounding and Divisibility
Rounding and Estimation
Rounding and Place Value
Rounding and Significant Figures
Rounding Numbers
Scientific notation
Scoring System
Significant Digits
Significant Figures
Simplification
Small Number Situations
Sorting Numbers
Square and Addition Operations
Square Root Estimation
Square Roots
Square Roots and Comparisons
Square Roots and Cube Roots
Square Roots and Decimal Representations
Square Roots and Rationality
Squaring Negative Numbers
Subtracting Integers
Subtracting Mixed Numbers
Subtraction
Subtraction and Factorization
Subtraction strategies
Summation
Three-digit numbers
Two-digit Numbers
Unknown Number Problems
Value Modification
Word Problems
Zero and Multiplication
Parent Categories (28)
Addition
Algebra
Algebra/Equations
Algebraic Expressions
Arithmetic
Arithmetic Word Problems
Basic Arithmetic
C programming
Equations
Inequalities
Math
Math and Numbers
Math and Problem Solving
Math/Mental Math
Mathematical Equations
Mathematics
Number Sense
Number Theory
Numbers
Numbers and Expressions
Ordering numbers
Prime Numbers
Problem Solving
Pseudocode (or Algorithm)
Rational Numbers
Ratios and Proportions
Word problem
Word Problems