On the chart on the next page:
- Color all numbers divisible by 2 in yellow.
- Circle all numbers divisible by 3 in green.
- Put a square around all numbers divisible by 4 in orange.
- Put a triangle around all numbers divisible by 5 in purple.
- Put an asterix next to all numbers divisible by 6 in blue.
- Put a red dot next to all numbers divisible by 9.
- Outline all numbers divisible by 10 in black.
- Put a square around all primes in brown.
- Note that you may use a calculator to help you complete the task.
Complete the chart below for the numbers 1-100
Divisible by | Divisibility Rule | List of all numbers that are divisible by the number from least to greatest. (Put a comma between each number). |
2 | even number, ends in 0,2,4,6,or 8 | |
3 | sum of digits is equal to a multiple of 3 | |
4 | last two digits make a number that is a multiple of 4 | |
5 | ends in the digits 0 or 5 | |
6 | divisible by 2 and 3 (see rules above) | |
9 | sum of the digits equals a multiple of 9 | |
10 | ends in 0 |
Describe any patterns that you noticed in the chart.