First, students will learn how to divide by separating into equal groups.
Division as equal groups by Khan Academy
Division with groups of objects by Khan Academy
Next, students will learn how to divide by making arrays.
Division with arrays by Khan Academy
After that, students will practice both dividing by separating into equal groups, and dividing by making arrays.
Here are some additional word problems.
Conclude by leading this investigation:
Life expectancy in different countries
3.OA.A.2: Interpret whole-number quotients of whole numbers, e.g., interpret 56 ÷ 8 as the number of objects in each share when 56 objects are partitioned equally into 8 shares, or as a number of shares when 56 objects are partitioned into equal shares of 8 objects each. For example, describe a context in which a number of shares or a number of groups can be expressed as 56 ÷ 8.