7

hannah abrams

greatest common factor

7: 1, 7


3: 1, 3


the greatest common factor of 7 and 3 is 1

least common multiple

7: 7, 14, 21, 28, 35,


3: 3, 6, 9, 12, 15, 18, 21,


the least common multiple of 7 and 3 is 21

odd or even

7 is an odd number because you dont say it when you count by 2

prime or composite

7 is prime because it only has 2 factors

rectangles

the rectangles that can be made with 7 are 1 x 7 and 7 x 1

7 squared

7 squared is 7 x 7 = 49

7 cubed

7 cubed is 7 x 7 x 7 = 343

5 real life examples

1. there are 7 days in a week

2. July is the 7th month of the year

3. there are 7 colors in the rainbow

4. there are 7 continents

5. there are 7 wonders of the ancient world