All the solutions provided in **McGraw Hill My Math Grade 1 Answer Key PDF Chapter 9 Lesson 5 Composite Shapes **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 1 Answer Key Chapter 9 Lesson 5 Composite Shapes

**Explore and Explain**

**Teacher Directions:** Use pattern blocks to make each new shape. Trace the pattern blocks to show your work. Write how many pattern blocks you used.

Answer:

Explanation:

I used pattern blocks to make each new shape

I traced the pattern blocks to show the shapes

2 trapezoids make 1 hexagon and 3 triangles makes 1 trapezoid.

**See and Show**

You can put together shapes to make a new shape. This new shape is called a composite shape.

**Use two pattern blocks to make each shape. Draw a line to show your model. Circle the blocks you use.**

Question 1.

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

I drew circles around the shape squares.

Question 2.

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

I drew circles around the shapes triangle and trapezoid.

**Talk Math** How can you find which shapes are needed to make composite shapes?

Answer:

We can draw lines and divide the shape into smaller and different shapes to know what shapes are needed to make composite shape.

**On My Own**

**Use two pattern blocks to make each shape. Draw a line to show your model. Circle the blocks you use.**

Question 3.

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

I drew circles around the shapes hexagon and trapezoid.

Question 4.

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

I drew circles around the shapes square and triangle.

**Pick two of the pattern blocks shown to make a composite shape. Draw the shape. Circle the blocks you use.**

Question 5.

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

I drew circles around the shape triangles

2 triangles make a rhombus.

Question 6.

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

I drew circles around the shape triangle and trapezoid

A triangle and a trapezoid makes a triangle.

**Problem Solving**

**Answer the questions. Draw lines to show your work.**

Question 7.

Circle the pattern block that can be used 2 times to make this shape.

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

I drew circles around the shape trapezoid.

Question 8.

How many does it take to make ?

______________

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

2 make a .

**HOT Problem** If the 4 shapes are combined, what shape do they make? Tell how you know.

Answer:

Explanation:

I drew to solve the problem

If the above 4 shapes are combined they make a circle.

### McGraw Hill My Math Grade 1 Chapter 9 Lesson 5 My Homework Answer Key

**Practice**

**Circle the two pattern blocks used to make each shape. Draw a line to show your model.**

Question 1.

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

I drew circles around the shape triangles.

Question 2.

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

I drew circles around the shapes trapezoid and rhombus.

Question 3.

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

I drew circles around the shapes triangle and rhombus.

Question 4.

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

I drew circles around the shapes square and hexagon.

Question 5.

How many does it take to make ?

______________

Answer:

Explanation:

I used two pattern blocks to make each shape

I drew a line to show your model

3 make 1 .

**Test Practice**

Question 6.

Elan put together the two shapes shown. What new shape did he make?

(A) square

(B) rectangle

(C) triangle

(D) trapezoid

Answer:

Explanation:

(B) rectangle

Two squares make a new composite shape that is a rectangle.

**Math at Home** Ask your child to tell you how to compose a rectangle using two other shapes.