Spell Cardinal Numbers Game
A cardinal number is a number used for counting or to indicate quantity. They tell you “how many” of something there are. The numbers 1 through 20 need to be memorize as they don’t follow easy rules. Some of the other numbers can be built up from other numbers. Scroll down the page for a more detailed explanation.
 
The game below will generate a random number and you need to give the corresponding word or spelling for the number. You’ll get immediate feedback on your answer, and your score will track your progress. You can indicate the maximum value for the numbers (up to 100) in order to adjust the difficulty.
 

Spell the Number

Set the max number (up to 100) and type the word.

Max Number:

Enable 60-Second Timer

Start Game

Score: 0 / 0

Time: 60

Spell this number:

Check Next

Back to Menu

 

How to Play Spell the Numbers Game
This game will show you a number, and you’ll have to type out the full cardinal word (e.g., for “23”, you would type “twenty-three”). If you make a mistake, it will show you the correct answer.
Here’s how to play:

1. Max Number: Enter the maximum value for the numbers you want to be quizzed on. You can enter a number from 1 to 100.
   
2. Timed Option: Check the timer if you want to enable the 60 second timer. Click “Start Game”.
   
3. Look at the Problem: You will see a number.
   
4. Enter Your Answer: Spell and type out the full word.
   
5. Check Your Work: Click the Check button (or press the Enter key). The game will tell you if you’re correct. If you are wrong, you will be shown the correct answer.
   
6. Get a New Problem: Click the Next button for a new problem.
   Your score is tracked at the top, showing how many you’ve gotten right out of the total you’ve tried.
   
7. Back to Menu Click “Back to Menu” to restart the game.
    
   

How to spell cardinal numbers
Numbers 1 Through 20
These numbers you need to memorize, as they don’t follow easy rules:
1 one
2 two
3 three
4 four
5 five
6 six
7 seven
8 eight
9 nine
10 ten
11 eleven
12 twelve
13 thirteen
14 fourteen
15 fifteen
16 sixteen
17 seventeen
18 eighteen
19 nineteen
20 twenty
 
Tens and Multiples of Ten
These are the primary building blocks for numbers up to 99:
30 thirty
40 forty
50 fifty
60 sixty
70 seventy
80 eighty
90 ninety
100 one hundred
 
The Hyphenation Rule (Numbers 21–99)
When spelling out any two-digit number between 21 and 99, you must use a hyphen to connect the tens digit and the ones digit.
21 → twenty-one
48 → forty-eight
99 → ninety-nine
 

This video gives a song to help you learn spell the numbers 0 to 10.

• Show Video

 

Free Number Games Online
Learn Counting	Words to Numbers	Numbers to Words
Spell Numbers	Even or Odd Numbers	One More, One Less
Skip Counting	Compare Numbers	Roman Numerals Converter
Rounding Numbers	Prime or Composite Numbers

 

Try out our new and fun Fraction Concoction Game.

Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.