Multiplication and Area unit pack (Grade 3 · CCSS 3.MD.C.7, 3.OA.C.7): every worksheet and exit ticket for this unit, ready to print in one go. The answer keys print at the end, each on its own page, so you can leave them off. To make a PDF, click Print and choose "Save as PDF." Games: Area Artist

Paint by Multiplying

Grade 3 · CCSS 3.MD.C.7, 3.OA.C.7 · Pairs with the Area Artist game

Name

Date

A rectangle with 3 rows of 4 squares has 3 × 4 = 12 squares. · Not sure? You can always count each square.

Key vocabulary

area: the number of unit squares that cover a flat shape
unit square: a square with sides 1 unit long; it covers 1 square unit
row: a line of squares going across
column: a line of squares going up and down
array: objects arranged in equal rows and columns, like 3 rows of 4
factor: a number being multiplied; in 3 × 4 = 12, the factors are 3 and 4
product: the answer to a multiplication; in 3 × 4 = 12, the product is 12

Part A: How many squares?

× = squares

Part B: Multiply the sides

5. A rectangle has 6 rows and 7 columns. How many squares?

squares

6. A rectangle has 8 rows and 4 columns. How many squares?

squares

7. 9 × 6 = ?

8. 12 × 5 = ?

Part C: Find the missing side

9. A rectangle has 24 squares and 4 rows. How many columns?

columns

10. 7 × ? = 56

? =

11. Draw two different rectangles that each have 12 squares. Write a multiplication for each.

12. Find the mistake. Riley said a rectangle with 5 rows and 6 columns has 5 + 6 = 11 squares. What went wrong? How many squares are there really?

Correct: squares

Exit Ticket: Multiplication and Area

Grade 3 · CCSS 3.MD.C.7, 3.OA.C.7

Name

1. How many squares?

× =

2. A rectangle has 7 rows and 8 columns. How many squares?

squares

3. A rectangle has 36 squares and 4 rows. How many columns?

columns

Answer Key: Paint by Multiplying

For the teacher

2 × 5 = 10 squares
4 × 4 = 16 squares
3 × 6 = 18 squares
5 × 3 = 15 squares
6 × 7 = 42 squares
8 × 4 = 32 squares
54
60
4 × ? = 24, so 6 columns
8 (7 × 8 = 56)
Any two of: 1 × 12, 2 × 6, 3 × 4 (or rotated: 12 × 1, 6 × 2, 4 × 3)
Riley added the sides instead of multiplying them. 5 rows of 6 squares is 5 × 6 = 30 squares

#12 is the most common mistake: adding the sides instead of multiplying them. In the game, a wrong answer draws every square on the rectangle so students can count to check.

Answer Key: Exit Ticket

Multiplication and Area

3 × 5 = 15 squares
7 × 8 = 56 squares
4 × ? = 36, so 9 columns

Quick read: 15 on #2 means the student added the sides (7 + 8). Have them play Product Picasso, where every square is drawn and can be counted, then move up to Multiplication Monet.