Lesson 1-5

Divisibility Rules

September 1, 2017

Glue Scissors Grading Pen

Process Standard:

5.4G – display, explain, and justify mathematical ideas and arguments using precise mathematical language in written or oral communication

Standard:

5.4C - solve with proficiency for quotients of up to a four-digit dividend by a two-digit divisor using strategies and the standard algorithm

What does the word divisible mean?

Divisible means being able to be divided by

another number without a remainder.

9 4,212

Without solving the problem, do you think 4,212 is divisible by 9?

How do you know if a number is

divisible by 2?

How do you know if a number is

divisible by 5?

How do you know if a number is

divisible by 10?

1. 1252

3

4

5

6

9

10

2. 2522

3

4

5

6

9

10

Have a great weekend!