All the solutions provided in **McGraw Hill My Math Grade 2 Answer Key PDF Chapter 12 Lesson 2 Sides and Angles **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 2 Answer Key Chapter 12 Lesson 2 Sides and Angles

**Explore and Explain**

**Teacher Directions:** Have students sort triangle, square, parallelogram, trapezoid, and hexagon pattern blocks by their number of sides and angles. Trace them. Write how many sides and angles.

Answer:

**See and Show**

You can describe two-dimensional shapes by the number of sides and angles.

triangle

___________ sides

___________ angles

Answer:

3 sides

3 angles

Explanation:

A triangle has 3 sides and 3 angles

quadrilateral

___________ sides

___________ angles

Answer:

4 sides

4 angles

Explanation:

A rectangle has 4 sides and 4 angles

pentagon

___________ sides

___________ angles

Answer:

5 sides

5 angles

Explanation:

A triangle has 5 sides and 5 angles

hexagon

___________ sides

___________ angles

Answer:

6 sides

6 angles

Explanation:

A Hexagon has 6 sides and 6 angles

circle

___________ sides

___________ angles

Answer:

0 sides

0 angles

Explanation:

Circle is in curved shape it has no sides and no angles

**Trace each shape. Write how many sides and angles.**

Question 1.

___________ sides

___________ angles

Answer:

4 sides

4 angles

Explanation:

A Rhombus has 4 sides and 4 angles

Question 2.

___________ sides

___________ angles

Answer:

6 sides

6 angles

Explanation:

A Hexagon has 3 sides and 3 angles

Question 3.

Circle the objects that have 0 sides and 0 angles.

Answer:

Explanation:

The circle has no sides and no angles

so, circled the angles.

**Talk Math**

How are a square and a hexagon alike? How are they different?

Answer:

A square has 4 sides and 4 corners

A hexagon has 6 sides and 6 corners.

**On Your Own**

**Trace each shape. Write how many sides and angles.**

Question 4.

___________ sides

___________ angles

Answer:

3 sides

3 angles

Explanation:

A triangle has 3 sides and 3 angles

Question 5.

___________ sides

___________ angles

Answer:

0 sides

0 angles

Explanation:

A circle has no sides and no angles

Question 6.

___________ sides

___________ angles

Answer:

5 sides

5 angles

Explanation:

A Pentagon has 5 sides and 5 angles

Question 7.

___________ sides

___________ angles

Answer:

4 sides

4 angles

Explanation:

a flat geometric figure with four sides but with only two sides parallel

A Trapezoid has 4 sides and 4 angles

**Circle the objects that match the description.**

Question 8.

3 sides and 3 angles

Answer:

Explanation:

A triangle has 3 sides and 3 angles

so, circled the triangles

Question 9.

4 sides and 4 angles

Answer:

Explanation:

Rectangle and square has 4 sides and 4 angles.

**Problem Solving**

**Draw a picture to solve.**

Question 10.

Kira draws a shape with 6 sides and 6 angles. What shape does she draw?

Answer:

Hexagon

Explanation:

Kira draws a shape with 6 sides and 6 angles.

A hexagon has 6 sides and 6 angles.

Question 11.

Alex draws a shape with 3 sides and 3 angles. What shape does Alex draw?

Answer:

triangle

Explanation:

Alex draws a shape with 3 sides and 3 angles.

A triangle has 3 sides and 3 angles

Question 12.

Josh drew 3 squares. Katie drew 2 triangles and 1 square. Who drew more angles?

Answer:

Josh

Explanation:

A square has 4 angles

4 x 3squares = 12 angles

A triangle has 3 angles

2 x 3 = 6

1 x 4 = 4

6 + 4 = 10

so, Josh draws more.

**Write Math**

Write the name of each shape. Describe two things about each shape.

Answer:

Explanation:

The given shape are pentagon and a square

A Square has 4 sides and 4 angles

A Hexagon has 6 sides and 6 angles

### McGraw Hill My Math Grade 2 Chapter 12 Lesson 2 My Homework Answer Key

**Practice**

**Trace each shape. Write how many sides and angles.**

Question 1.

____________ sides

____________ angles

Answer:

4 sides

4 angles

Explanation:

A Square has 4 sides and 4 angles

Question 2.

____________ sides

____________ angles

Answer:

6 sides

6 angles

Explanation:

A Hexagon has 6 sides and 6 angles

Question 3.

____________ sides

____________ angles

Answer:

5 sides

5 angles

Explanation:

A triangle has 3 sides and 3 angles

Question 4.

____________ sides

____________ angles

Answer:

3 sides

3 angles

Explanation:

A triangle has 3 sides and 3 angles

Question 5.

Circle the object that has 8 sides and 8 angles.

Answer:

Explanation:

A Octagon has 8 sides and 8 angles.

Question 6.

Jason drew a shape that has 6 sides. What shape did he draw?

Answer:

Explanation:

A hexagon has 6 sides and 6 angles

Question 7.

Carla drew a triangle and a square. Janice drew a shape with 6 sides and 6 angles. Who drew more sides and angles?

Answer:

Triangle and square

A triangle has 3 sides and 3 angles

A square has 4 sides and 4 angles

7 sides and 7 angles by Carla And a hexagon has 6 sides and 6 angles

So, Carla Draws more sides and more angles

**Vocabulary Check**

**Connect the name of each shape to its number of sides or angles.**

Answer:

**Math at Home**

While driving or walking, look at road signs together. Ask your child to name and describe the shapes of the signs he or she sees.

Answer:

The above signal is no parking signal.