The World of Numbers
Number Skills are very valuable.
Counting
- Counting
- Colorable Number Chart
- Skip Counting
- Number Blocks Freeplay
- Place Value
- Numbers, Numerals and Digits
- Composing Numbers
How to do add, subtract, multiply and divide
- Basic Operations
Addition
Subtraction
Multiplication and Long Multiplication- Times Tables and Times Tables Test
Division and Long Division- Divisibility Rules
- Long Division with Remainders
- Long Division to Decimal Places
More about add, subtract, multiply and divide
- Math Trainer Multiplication
- Word Questions
- Calculator Fun
- Divide by Repeated Subtraction
- Multiply by Repeated Addition
- How to Add and Subtract Positive and Negative Numbers
- Casey Runner
- Multiplying By Zero
- Multiplying Positive and Negative Numbers
- Order of Operations - GEMS, PEMDAS or BODMAS
- Make The Number Game
- Associative, Commutative and Distributive Laws
- Tens Complement
- What Makes 10?
- Fix The Equation
How to work with Decimals
How to work with Percentages
How to work with Fractions
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The Art of Estimation
Don't need an exact answer? Estimation helps us make a smart guess quickly
How to Put Numbers in Order
Ratios and Proportions
Algebra, the next step after Numbers
Types of Numbers
Special Numbers
- Cardinal, Ordinal and Nominal Numbers
- Cardinal / Ordinal Chart
- Prime Numbers and Prime Properties
- π (Pi), e (Euler's Number), Phi (The Golden Ratio)
- Geometric Mean
- Factorial Function and Gamma Function
Irrational Numbers
Decimals with no pattern!
Other Number Systems
Binary
1010
Binary FingersHexadecimal
F87A
Other Bases
132
Other Cultures
XVI
Number Theory
Mathematical Curiosities and Tricks
- "Always End With 1089"
- First Digits Rule! (Benford's Law)
- Optimal Stopping: The 37% Rule
- Squares and Odd Numbers
- Game Theory