Division and Divisibility

Summary
This lesson introduces students to rules for divisibility.

Objectives
• To be able to recognize the three ways of writing division problems.

• To be able to explain what divisibility means.

• To be able to use the rules for divisibility to determine if numbers are divisible by certain other numbers.

Suggested Grades
2nd Grade
3rd Grade
4th Grade
5th Grade

Excerpt
When we say that a number is divisible by another number, we mean that the number can be divided by another number without leaving a remainder. For example, 12 is divisible by 4 because 12 ? 4 = 3. 12 is not divisible by 5 because 12 ? 5 equals 2 with a remainder of 2.

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