Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 17.4 Answer Key Partition Rectangles.

## Texas Go Math Grade 2 Lesson 17.4 Answer Key Partition Rectangles

**Essential Question**

Have you find the total number of same-size squares that will cover a rectangle?

Explanation:

Number of rows x number of columns = area

**Explore**

Put several color tiles together. Trace around the shape to draw a two-dimensional shape.

Explanation:

Kept several squares to make a full square.

Drawn a two dimensional shape.

**Math Talk**

**Mathematical Processes**

Is there a different shape that can be made with the same number of tiles? Explain.

Explanation:

Yes, We can make a polygon with the help of these shapes.

**Home Connection**

- After puffing together tiles, your child traced around them to draw a two-dimensional shape, This activity is an introduction to partitioning a rectangle into several same-size squares.

Explanation:

The above rectangle is divided into equal number of squares

2 x 6 = 12

Number of rows x number of columns = area

**Model and Draw**

Trace around color tiles. How many square units cover this rectangle?

Each color tile is 1 square unit.

Number of rows: __2__

Number of columns: __3__

Total: _____ square units

Explanation:

6 square units

Number of rows x number of columns = area

6 square units cover this rectangle

**Share and Show**

**Use color tiles to cover the rectangle.**

**Trace around the square tiles. Write how many.**

Question 1.

Number of rows: _____

Number of columns: ____

Total: ___ square units

Answer:

Explanation:

Number of rows: 2

Number of columns: 2

Total: 4 square units

Question 2.

Number of rows: ___

Number of columns: ____

Total: ___ square units

Answer:

Explanation:

Number of rows: 1

Number of columns: 3

Total: 3 square units

**Problem Solving**

**Use color tiles to cover the rectangle. Trace around the square tiles. Write how many.**

Question 3.

Number of rows: ___

Number of columns: ___

Total: __ square units

Answer:

Explanation:

Number of rows: 2

Number of columns: 3

Total: 6 square units

Question 4.

**H.O.T. Multi-Step** Mary started to cover this rectangle with ones blocks. Explain how you would estimate the number of ones blocks that would cover the whole rectangle.

Answer:

Explanation:

Number of rows: 7

Number of columns: 3

Total: 21 square units

number of ones blocks that would cover the whole rectangle is 21

Question 5.

**H.O.T.** Reggie drew the shape at the right. How many color tiles would cover the shape?

__ color tiles.

Answer;

Explanation:

2 x 4 = 8

2 x 2 = 4

8 + 4 = 12 color tiles.

**Daily Assessment Task**

**Choose the correct answer.**

Question 6.

Use color tiles to cover the rectangle. Trace around the square tiles.

Which of the following is the size of the rectangle?

(A) 7 square units

(B) 12 square units

(C) 10 square units

Answer: B

Explanation:

3 x 4 = 12

12 square units is the size of the rectangle

Question 7.

**Texas Test Prep** A rectangle is covered with color tiles. There are 4 rows of 2 color tiles. How many color tiles cover the shape?

Answer:

4 x 2 = 8

Explanation:

A rectangle is covered with color tiles.

There are 4 rows of 2 color tiles.

8 color tiles cover the shape.

**Take Home Activity**

- Have your child describe what he or she did in this lesson.

Explanation:

Covered the two dimensional shapes

with colored squares

### Texas Go Math Grade 2 Lesson 17.4 Homework and Practice Answer Key

**Color the square tiles. Write how many.**

Question 1.

Number of rows: ____

Number of columns: ____

Total: _____ square units

Answer:

Number of rows: 1

Number of columns: 4

Total: 4 square units

Explanation:

Area = number of rows x number of columns

1 x 4 = 4 square units

Question 2.

Number of rows: ____

Number of columns: ____

Total: _____ square units

Answer:

Explanation:

Area = number of rows x number of columns

1 x 4 = 4 square units

Question 3.

**Multi-Step** Brenda started to cover this rectangle with square tiles. Explain how you would estimate the number of square tiles that would cover the whole rectangle.

Answer:

Explanation:

Area = number of rows x number of columns

2 x 6 = 12 square tiles

Brenda started to cover this rectangle with square tiles.

the number of square tiles that would cover the whole rectangle is 12.

**Texas test Prep**

**Choose the correct answer.**

Question 4.

A rectangle is covered with color tiles. There are 5 rows and 2 columns. How many color tiles cover the shape?

(A) 12

(B) 10

(C) 8

Answer: B

Explanation:

Area = number of rows x number of columns

5 x 2 = 10

Question 5.

Sal uses color tiles to make a rectangle. He makes 3 rows and 6 columns. How many color tiles does Sal use?

(A) 16

(B) 15

(C) 18

Answer: C

Explanation:

Area = number of rows x number of columns

3 x 6 = 18

Sal uses color tiles to make a rectangle.

He makes 3 rows and 6 columns.

Question 6.

Emily covers a rectangle with square tiles. She makes 4 columns and 4 rows. What is the size of the rectangle?

(A) 16 square units

(B) 12 square units

(C) 20 square units

Answer: A

Explanation:

Emily covers a rectangle with square tiles.

She makes 4 columns and 4 rows

4 x 4 = 16

Area = number of rows x number of columns

The size of the rectangle is 16 square units

Question 7.

**Multi-Step** Frank has 9 color tiles. He wants to make a rectangle with 5 rows and 3 columns of color tiles. How many more color tiles does Frank need?

(A) 6

(B) 3

(C) 7

Answer: A

Explanation:

Frank has 9 color tiles.

He wants to make a rectangle with 5 rows and 3 columns of color tiles.

5 x 3 = 15

15 – 9 = 6 more color tiles does Frank need.