Refer to our Texas Go Math Grade 3 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 3 Lesson 16.1 Answer Key Measure Area.

## Texas Go Math Grade 3 Lesson 16.1 Answer Key Measure Area

**Investigate**

Area is the measure of the number of unit squares needed to cover a flat surface. A unit square is a square with a side length of 1 unit. It has an area of 1 square unit.

**Activity** Materials; 1-inch grid paper; scissors

You can measure the area of the rectangles with 1-inch square tiles.

Cut out eight 1-inch squares. Use the dashed lines as guides to place tiles for A-C.

A. Place 4 tiles on Rectangle A.

Are there any gaps?_________

Are there any overlaps? _________

Jaime says that the area is 4 square inches.

Is Jaime’s measurement correct? _________

Answer:

Are there any gaps? Yes

Are there any overlaps? No

Jaime says that the area is 4 square inches.

Is Jaime’s measurement correct? No

When you measure area, there can be no space, or gaps, between the tiles.

B. Place 8 tiles on Rectangle B.

Are there any gaps? _________

Are there any overlaps? _________

Jaime says that the area is 8 square inches. Is Jaime’s measurement correct? _________

Answer:

Are there any gaps? Yes

Are there any overlaps? Yes

Jaime says that the area is 8 square inches. Is Jaime’s measurement correct? No

When you measure the area, the tiles cannot overlap.

C. Place 6 tiles on Rectangle C.

Are there any gaps? _________

Are there any overlaps? _________

Jaime says that the area is 6 square inches. Is Jaime’s measurement correct? _________

So, the area of the rectangle is ___________ square inches.

Answer:

Are there any gaps? No

Are there any overlaps? No

Jaime says that the area is 6 square inches. Is Jaime’s measurement correct? Yes

So, the area of the rectangle is 6 square inches.

**Share and Show**

Question 1.

Count to find the area of the large figure. Each unit square is 1 square centimeter.

Think: I can put the small shapes together if there are no gaps and no overlaps.

There are ________ unit squares in the figure.

So, the area is ________ square centimeters.

Answer:

Explanation:

There are 17 unit squares in the figure.

So, the area is 17 square centimeters.

**Count to find the area of the figure. Each unit square is 1 square centimeter.**

Question 2.

Area = _________ square centimeters

Answer: 20

Explanation:

Area = 20 square centimeters

Question 3.

Area = _________ square centimeters

Answer: 10

Explanation:

Area = 10 square centimeters

**Count to find the area of the figure. Each unit square is 1 square inch.**

Question 4.

Area = _________ square inches

Answer: 6

Explanation:

Area = 6 square inches

**Problem Solving**

Question 5.

Danny is placing tiles on the floor of an office lobby. Each tile is 1 square meter. The diagram at the right shows the lobby. What is the area of the lobby?

Answer: 12 Square Meter

Explanation:

Danny is placing tiles on the floor of an office lobby.

Each tile is 1 square meter.

The diagram at the right shows the lobby.

12 Square Meter is the area of the lobby

Question 6.

**Multi-Step** Angie is painting a space shuttle mural on a wall. Each section is one square foot. The diagram shows the unfinished mural. How many more square feet has Angie painted than NOT painted on her mural?

Answer: 2 Square feet

Explanation:

Angie is painting a space shuttle mural on a wall.

Each section is one square foot.

The diagram shows the unfinished mural.

2 more square feet has Angie painted than NOT painted on her mural.

Question 7.

**Write Math Sense or Nonsense?** Tom places green square tiles on the figure at the right. He says that the figure has an area of 12 square units. Does his statement make sense? Explain.

Answer: Yes

Explanation:

Tom places green square tiles on the figure at the right.

He says that the figure has an area of 12 square units.

Yes, his statement make sense.

Question 8.

**H.O.T. Pose a Problem** Write an area problem that can be solved by using Rectangle A and Rectangle B. Then solve your problem.

Answer: What is the total area of Rectangle A and Rectangle B

15 + 10 = 25

Explanation:

Question 9.

**H.O.T. Reasoning** You measure the area of a table top with blue unit squares and green unit squares. Which unit square will give you a greater number of square units for area? Explain.

Answer: Green:

Explanation:

When it is small the count will be more

when the square is big the count will become less.

**Daily Assessment Task**

**Fill in the bubble for the correct answer choice.**

Question 10.

Farmer Paul plants peas. The diagram shows his field. Each unit square is I square meter. What is the area of Farmer Paul’s field?

(A) 28 square meters

(B) 24 square meters

(C) 30 square meters

(D) 11 square meters

Answer: B

Explanation:

Farmer Paul plants peas.

The diagram shows his field.

Each unit square is I square meter.

24 is the area of Farmer Paul’s field.

Question 11.

Sheri is making the quilt shown in the diagram. Each unit square is 1 square foot. The blue squares are completed. What is the area of the quilt that Sheri has completed?

(A) 36 square feet

(B) 17 square feet

(C) 20 square feet

(D) 16 square feet

Answer: C

Explanation:

Sheri is making the quilt shown in the diagram.

Each unit square is 1 square foot.

The blue squares are completed.

20 is the area of the quilt that Sheri has completed

Question 12.

**Multi-Step** Use the diagram from Exercise 11. How many more square feet has Sheri completed than NOT completed for her quilt?

(A) 16 square feet

(B) 4 square feet

(C) 12 square feet

(D) 14 square feet

Answer: A

Explanation:

16 more square feet has Sheri completed than NOT completed for her quilt.

**Texas Test Prep**

Question 13.

What is the area of the figure at the right? Each unit square is 1 square foot.

(A) 3 square feet

(B) 15 square feet

(C) 13 square feet

(D) 10 square feet

Answer: C

Explanation:

The area of the figure is 13 square feet.

### Texas Go Math Grade 3 Lesson 16.1 Homework and Practice Answer Key

**Count to find the area of the figure. Each unit square is 1 square centimeter.**

Question 1.

Area = _________ square centimeters

Answer: 10

Explanation:

Area = 10 square centimeters

Question 2.

Area = _________ square centimeters

Answer: 15

Explanation:

Area = 15 square centimeters

**Problem Solving**

Question 3.

Kaylee is covering the top of a box with tiles. Each tile is 1 square centimeter. The diagram shows the top of the box. What is the area?

Answer: 16 Square Centimeter

Explanation:

Kaylee is covering the top of a box with tiles.

Each tile is 1 square centimeter.

The diagram shows the top of the box.

The area is 16 Square Centimeter

Question 4.

Miguel drew this puzzle. He divides the area into one-inch square sections. The diagram shows how much of the puzzle Miguel puts together. What is the area of the puzzle Miguel has completed so far?

Answer: 25 Square sections

Explanation:

Miguel drew this puzzle.

He divides the area into one-inch square sections.

The diagram shows how much of the puzzle Miguel puts together.

25 is the area of the puzzle Miguel has completed so far.

Question 5.

Dawn draws a picture that is 12 square inches. She draws another picture that is 12 square centimeters. Which picture is larger? Use centimeter and inch square paper to solve the problem. Explain how you solved the problem.

Answer: 12 inch is larger than 12 centimeter

Explanation:

12 inch is larger than the 12 centimeter

**Lesson Check**

**Fill in the bubble completely to show your answer.**

Question 6.

Angelina is covering a closet floor with 1-foot square tiles. The green squares are completed. What area of the floor has Angelina covered?

(A) 22 square feet

(B) 35 square feet

(C) 24 square feet

(D) 20 square feet

Answer: 35 Square feet

Explanation:

Angelina is covering a closet floor with 1-foot square tiles.

The green squares are completed.

35 Square feet area of the floor has Angelina covered

Question 7.

**Multi-Step** Dom is tiling a countertop. Each unit square is 1 square foot. The blue squares are completed. How many more square feet of countertop has Dom NOT completed, compared to what he has completed?

(A) 12 square feet

(B) 20 square feet

(C) 32 square feet

(D) 8 square feet

Answer: D

20 – 12 = 8

Explanation:

Dom is tiling a countertop.

Each unit square is 1 square foot.

The blue squares are completed.

20 – 12 = 8

20 more square feet of countertop has Dom NOT completed, compared to what he has completed

Question 8.

**Multi-Step** A craft company uses 1-inch square tiles for the floor and closet of a dollhouse as shown in the diagram. An additional 7 square inches of tile will be used for a hallway. How many square inches of tile does the craft company need for the dollhouse?

(A) 47 square inches

(B) 51 square inches

(C) 48 square inches

(D) 40 square inches

Answer: A

Explanation:

40 + 7 = 47

A craft company uses 1-inch square tiles for the floor and closet of a dollhouse as shown in the diagram.

An additional 7 square inches of tile will be used for a hallway.

47 square inches of tile does the craft company need for the dollhouse