Grade 3 Math: Arrays - Rows and Columns

Grade 3 Math: Arrays - Rows and Columns

Read each question carefully and follow the instructions. An array is a set of objects arranged in rows and columns. Remember, rows go side to side, and columns go up and down.

1. Look at the array of stars below. Count the number of rows and columns.

Number of rows:  

Number of columns:  

2. A horizontal arrangement of objects is called a  .

3. A vertical arrangement of objects is called a  .

4. When you multiply the number of rows by the number of columns, you find the   number of objects in an array.

5. Draw an array with 2 rows and 4 columns using circles (e.g., O O O O).

Write the multiplication equation for your array:  

6. Which array shows 3 rows and 2 columns?

7. An array with 5 rows and 3 columns has a total of 15 objects.

8. An array with 4 rows and 1 column is the same as 1 row and 4 columns.

9. Sarah arranged her crayons in 3 rows with 5 crayons in each row. How many crayons does Sarah have in total? Draw the array and write the multiplication equation.

Multiplication equation: