Number Chart
The Number Chart is a reference tool covering number chart 1-100, hundreds chart, number chart printable, counting chart. Use the chart below to look up values instantly. Printable and downloadable versions are available on this page.
Interactive Hundreds Chart
Click any number to select it, highlight patterns, or color-code odd and even numbers.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 |
| 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 |
| 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 |
| 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 |
| 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 |
| 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 |
| 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 |
Click any cell to select it. Use the controls above to highlight patterns.
Number Chart 1 to 100
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 |
| 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 |
| 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 |
| 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 |
| 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 |
| 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 |
| 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 |
Standard 1–100 number grid used in elementary mathematics education. Prime number list verified against Math Is Fun and NRICH Mathematics.
Skip Counting Charts
| × | × 2 | × 3 | × 4 | × 5 | × 6 | × 7 | × 8 | × 9 | × 10 | × 11 | × 12 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| × 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| × 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| × 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27 | 30 | 33 | 36 |
| × 4 | 8 | 12 | 16 | 20 | 24 | 28 | 32 | 36 | 40 | 44 | 48 |
| × 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 |
| × 6 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 | 60 | 66 | 72 |
| × 7 | 14 | 21 | 28 | 35 | 42 | 49 | 56 | 63 | 70 | 77 | 84 |
| × 8 | 16 | 24 | 32 | 40 | 48 | 56 | 64 | 72 | 80 | 88 | 96 |
| × 9 | 18 | 27 | 36 | 45 | 54 | 63 | 72 | 81 | 90 | 99 | 108 |
| × 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 |
| × 11 | 22 | 33 | 44 | 55 | 66 | 77 | 88 | 99 | 110 | 121 | 132 |
| × 12 | 24 | 36 | 48 | 60 | 72 | 84 | 96 | 108 | 120 | 132 | 144 |
Odd and Even Numbers Chart
| Number | Odd or Even | How to Tell |
|---|---|---|
| 1 | Odd | Ends in 1 — odd digit |
| 2 | Even | Ends in 2 — even digit |
| 3 | Odd | Ends in 3 — odd digit |
| 4 | Even | Ends in 4 — even digit |
| 5 | Odd | Ends in 5 — odd digit |
| 6 | Even | Ends in 6 — even digit |
| 7 | Odd | Ends in 7 — odd digit |
| 8 | Even | Ends in 8 — even digit |
| 9 | Odd | Ends in 9 — odd digit |
| 10 | Even | Ends in 0 — even digit |
| 11 | Odd | Ends in 1 — odd digit |
| 12 | Even | Ends in 2 — even digit |
| 13 | Odd | Ends in 3 — odd digit |
| 14 | Even | Ends in 4 — even digit |
| 15 | Odd | Ends in 5 — odd digit |
| 16 | Even | Ends in 6 — even digit |
| 17 | Odd | Ends in 7 — odd digit |
| 18 | Even | Ends in 8 — even digit |
| 19 | Odd | Ends in 9 — odd digit |
| 20 | Even | Ends in 0 — even digit |
Zero is an even number. A number is even if it can be divided by 2 with no remainder. A number is odd if dividing by 2 leaves a remainder of 1.
Interactive Hundreds Chart
Click any number to select it. Use the controls to highlight multiples, color-code odd and even numbers, or show prime numbers across the full 1–100 grid.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 |
| 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 |
| 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 |
| 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 |
| 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 |
| 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 |
| 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 100 |
Click any cell to select it. Use the controls above to highlight patterns.
Frequently Asked Questions
What are the prime numbers from 1 to 100?
A prime number has exactly two factors — 1 and itself. The 25 prime numbers between 1 and 100 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.
Is 1 a prime number?
No — 1 is not considered a prime number by modern mathematical convention. A prime number must have exactly two distinct positive factors (1 and itself) — the number 1 has only one positive factor (itself) so it does not meet the definition.
What are composite numbers?
A composite number is a whole number greater than 1 that has more than two factors. All whole numbers greater than 1 are either prime or composite — for example 4 is composite (factors: 1, 2, 4) while 5 is prime (factors: 1, 5).
What is the largest prime number less than 100?
97 is the largest prime number less than 100.
How many even numbers are between 1 and 100?
There are 50 even numbers between 1 and 100 — the numbers 2, 4, 6, 8 through 100.
What patterns appear in a 100 number chart?
Multiples of 10 always appear in the rightmost column. Multiples of 5 appear in the fifth and tenth columns. Diagonal patterns appear for multiples of 11. Columns show single-digit repeating patterns for each multiple.
What is a hundreds chart used for in teaching?
A hundreds chart is one of the most versatile tools in early elementary mathematics. It is used to teach skip counting, identify multiples, explore number patterns, practise addition and subtraction by moving up and down or left and right, and introduce the concept of prime numbers.
What are triangular numbers?
Triangular numbers are numbers that can be arranged in a triangular dot pattern — 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91. Each triangular number is the sum of the first n consecutive positive integers — for example 10 = 1 + 2 + 3 + 4.