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 14.3 Answer Key Compose Two-Dimensional Shapes.

## Texas Go Math Grade 2 Lesson 14.3 Answer Key Compose Two-Dimensional Shapes

**Explore**

Make the shape with pattern blocks. Draw and color the blocks you used.

FOR THE TEACHER • Read the following problem. Pam uses blocks to make this quadrilateral three different ways. Each time she uses a different number of blocks. What are three ways Pam can make the quadrilateral?

Answer:

**Math Talk**

**Mathematical Processes**

Describe the quadrilateral that Pam makes.

Answer:

**Model and Draw**

Combine the shapes to make a new shape that has 4 sides.

Answer:

A quadrilateral can be made by combining 2 triangles.

**Share and Show**

Combine the pattern blocks. Trace the blocks to show the new shape you made. Name the new shape.

hexagon

pentagon

quadrilateral

octagon

triangle

Question 1.

Make a new shape that has 3 vertices.

Answer:

Explanation:

A triangle has 3 vertices.

Question 2.

Make a new shape that has 6 sides.

Answer:

Explanation:

A Hexagon has 6 sides.

**Problem Solving**

**Combine the pattern blocks. Trace the blocks to show the new shape you made.**

Question 3.

Make a new shape that has more than 6 sides.

Answer:

Explanation:

I made a hexagon by combining the above shapes.

Question 4.

**H.O.T.** Todd puts two blocks together to make a pentagon. Trace pattern blocks to show how he could do this.

Answer:

Explanation:

Todd makes a pentagon using 2 quadrilaterals.

Question 5.

**H.O.T. Multi-Step** Sam puts blocks together to make a polygon with 10 sides. Draw to show a polygon she could make. Write the number of vertices.

_________ vertices

Answer:

Explanation:

Sam puts blocks together to make a polygon with 10 sides.I drew a polygon with 10 sides.A polygon with 10 sides has 10 vertices.

**Daily Assessment Task**

**Choose the correct answer.**

Question 6.

Connect Kim put these two blocks together. What new shape did she make?

(A) quadrilateral

(B) pentagon

(C) hexagon

Answer:

(B) pentagon

Explanation:

If kim put those 2 blocks together then the new shape has 5 sides.A shape with 5 sides is a pentagon.

Question 7.

Combine the pattern blocks shown. Make a new shape that has 4 sides. Trace the new shape.

Answer:

Explanation:

If we join 2 triangles we get a quadrilateral as shown above.

Question 8.

**Texas Test Prep** Shawn put these three blocks together. What new shape did he make?

(A) pentagon

(B) octagon

(C) quadrilateral

Answer:

(C) quadrilateral

Explanation:

The goven shape is a quadrilateral as it has 4 sides.

**TAKE HOME ACTIVITY** • Have your child explain how he or she solved one of the problems in this lesson.

Answer:

### Texas Go Math Grade 2 Lesson 14.3 Homework and Practice Answer Key

Question 1.

Combine the pattern blocks to make a new shape that has 5 sides. Draw and name the new shape.

Answer:

Explanation:

A shape that has 5 sides is a pentagon and when we combine the two shapes above we get a new shape with 5 sides.

**Problem Solving**

Question 2.

Sue put two pattern blocks together to make a quadrilateral. Draw the shape she made.

Answer:

Explanation:

Sue made the above quadrilateral by combining 2 triangles.

Question 3.

**Multi-Step** Albert put two blocks together to make a polygon with 8 sides. Draw to show a polygon he could make. Write the number of vertices.

__________ vertices

Answer:

Explanation:

Albert put two blocks together to make a polygon with 8 sides.The shape he drew is a octogan.It has 8 sides and 8 vertices.

**Lesson Check**

**Choose the correct answer.**

Question 4.

Kyle wants to put two shapes together to make a new shape with 4 sides. Which two shapes could Kyle use?

Answer:

Explanation:

Kyle needs to put 2 triangles together to make a shape with 4 sides.

So, i marked the first set of shapes that are triangles.

Explanation:

If kyle wants to put two hapes together that make a new shape with 4 sides kyle could select 2 triangles.

Question 5.

Brenda used two blocks to make a shape with 6 sides. Which shape did she make?

(A) octagon

(B) hexagon

(C) pentagon

Answer:

(A) Hexagon

Explanation:

If Brenda used two blocks to make a shape with 6 sides.The shape is a hexagon.

Question 6.

Doug put these two shapes together to make a new shape. How many vertices does his new shape have?

(A) 3

(B) 4

(C) 6

Answer:

(A) 3

Explanation:

If Doug put these two shapes together to make a new shape.The new shape has 3 sides.

Question 7.

Lily put a triangle and a hexagon together to make a new shape. How many sides does her new shape have?

(A) 6

(B) 9

(C) 5

Answer:

(C) 5

Explanation:

If Lily put a triangle and a hexagon together to make a new shape, the new shape will have 5 sides.