Lesson 5-4 Example Example 1 Draw an array to model and find 21 ÷ 3. 1.Write the answer if you know it. Otherwise, draw an array.
Lesson 5-4 Example Example 1 Draw an array to model and find 21 ÷ 3. 2.How many rectangles will be in the array? 21
Lesson 5-4 Example Example 1 Draw an array to model and find 21 ÷ 3. 3.How many rows? 3
Lesson 5-4 Example Example 1 Draw an array to model and find 21 ÷ 3. 4.Count the number of columns. 7
Lesson 5-4 Example Example 1 Draw an array to model and find 21 ÷ 3. 5.Write the division fact. 21 ÷ 3 = 7
Lesson 5-4 Example Example 1 Draw an array to model and find 21 ÷ 3. 6.Check. 7 × 3 = 21