Homework for Monday, September 16th

For those of you that did not do your Friday homework, you STILL need it to review for tomorrow.


Today's homework.  *IN YOUR JOURNAL*

State if the following numbers are divisible by 2, 3, 5, 10, or neither.  Explain your reasoning.
Answer in complete sentences.

Example:   250 is divisible by 2, 5, and 10 because it is even and ends in 0.
Example:  111 is divisible by 3 because 1+1+1 =3; and 3 is divisible by 3.

1.)  313     2.)   626

3.)  290     4.)  135

5.)  120     6.)  825

7.)  930     8.)  431

Part 2:
Create your own examples and be ready to share in class!
(3 examples)
A 4-digit number that is divisible by 2, 5, 10 .
(3 examples)
A 4-digit number that is divisible by 3 and 5
(3 examples)
A 4-digit number that is divisible by 2 and 3
(3 examples)
A 4-digit number that CANNOT be divided by 2, 3, 5, or 10.
(3 examples)
A 5-digit number that is divisible by 2, 3, 5, 10

**Reflect: what strategies did you use to come up with your answers?**

Is it possible to come up with a number that is divisible by 3 and 10 only, but not 5 or 2?  Explain.