All the solutions provided in **McGraw Hill My Math Grade 1 Answer Key PDF Chapter 10 Lesson 3 Problem Solving Strategy: Look for a Pattern **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 1 Answer Key Chapter 10 Lesson 3 Problem Solving Strategy: Look for a Pattern

Otis made a pattern with these shapes. Which shape is missing?

1. Understand

Underline what you know.

Circle what you need to find.

2. Plan

How will I solve the problem?

3. Solve

I will find a pattern.

Circle the shape that is missing.

4. Check

Is my answer reasonable? Explain.

Answer:

A cube is missing

In the given patter a rectangular prism and 2 cubes

so, my answer is reasonable.

**Practice the Strategy**

Sophie made a pattern with these shapes. Which shape comes next?

1. Understand

Underline what you know.

Circle what you need to find.

2. Plan

How will I solve the problem?

3. Solve

I will…

Circle the shape that comes next.

4. Check

Is my answer reasonable? Explain.

Answer:

Explanation:

The given patter is green cone a cylinder and a yellow cone.

so, after yellow cone the green cone is missing

so, circled it.

**Apply the Strategy**

**Find a pattern to solve.**

Question 1.

June made this pattern.

What shape is missing? Circle it.

Answer:

Explanation:

In the given patter a rectangular prism, cube and a cone is in the pattern

so, a cone is missing in the pattern

so, circled the cone.

Question 2.

These are Quinn’s blocks.

What shape is missing? Circle it.

Answer:

Explanation:

In the given pattern a cube and a cone

so, after the cone cube is missing

so, circled it.

Question 3.

Ayden made a line of blocks.

What shape is missing? Circle it.

cone

cube

Answer:

Cone

Explanation:

2 cones and a cube is in the pattern

so, circled the cone.

**Review the Strategies**

Choose a strategy

- Find a pattern.
- Draw a diagram.
- Use logical reasoning

Question 4.

I have one face. I have one vertex. What shape am I?

Answer:

Cone

Explanation:

A cone has 1 face and 1 vertex.

Question 5.

LaToya buys a box of tissues. The box has 8 vertices. All of the faces are rectangles. What shape is the box of tissues?

Answer:

cuboids

Explanation:

The box has 8 vertices.

All of the faces are rectangles.

That is a cuboid

a cuboid has 8 vertices and all faces are cuboids

Question 6.

Grace made the row of shapes shown. She needs 2 more blocks to finish the pattern.

What two shapes does she need? Circle them.

cube

cone

rectangular prism

Answer:

Rectangular prism and a cone.

Explanation:

A rectangular prism and 2 green cones are in the patter

so, one cone and a rectangular prism is missing.

### McGraw Hill My Math Grade 1 Chapter 10 Lesson 3 My Homework Answer Key

**Problem Solving**

**Find a pattern to solve.**

Question 1.

Jenica made this pattern.

What shape is missing? Circle it.

Answer:

Explanation:

A cone, rectangular prism and a cube are in the pattern

After the cone a rectangular prism is missing

so, circled it.

Question 2.

Alex made this necklace. He will place a shape on the right side of the string to finish the pattern.

What shape is missing? Circle it.

Answer:

Explanation:

In the decoration garland A cone, cube and a cylinder are in the pattern

after a cube a cylinder is missing

so, circled the cylinder.

Question 3.

Julie made a row of shapes. She left out one shape.

What shape is missing? Circle it.

blue cone

yellow cone

red rectangular prism

Answer:

Blue cone

Explanation:

Blue cone, yellow cone and a red rectangular prism is in the pattern

After the rectangular prism a blue cone is missing

so, marked the blue cone.

**Math at Home** Create a pattern out of objects that are three-dimensional shapes. Have your child copy the pattern.