# McGraw Hill My Math Grade 1 Chapter 8 Lesson 4 Answer Key Problem-Solving Strategy: Guess, Check, and Revise

All the solutions provided in McGraw Hill My Math Grade 1 Answer Key PDF Chapter 8 Lesson 4 Problem-Solving Strategy: Guess, Check, and Revise will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 1 Answer Key Chapter 8 Lesson 4 Problem-Solving Strategy: Guess, Check, and Revise

The carrot is less than 10 cubes long. It is more than 2 cubes long. About how many cubes long is the carrot 1. Understand
Underline what you know.
Circle what you need to find.

2. Plan
How will I solve the problem?

3. Solve
I will guess, check, and revise. 4. Check
Yes, my answer is reasonable as the estimation and action has only one cube different

Practice the Strategy

The container is less than 9 cubes long. It is more than 1 cube long. About how long is the container? 1. Understand
Underline what you know.
Circle what you need to find.

2. Plan
How will I solve the problem?

3. Solve
I will…
Guess: about _________ Measure: about ___________ 4. Check Explanation:
Guess: about 5 Measure: about  6 The container is 6 cubes long
According to the question the container is more than one cube and less than 9 cubes

Apply the Strategy

About how many long is the object? Guess. Then measure. Revise if needed.

Question 1. Guess: about _________ Measure: about ___________  Explanation:
Guess: about 12 Measure: about 10 The corn is measuring about 10 cubes long

Question 2. Guess: about _________ Measure: about ___________  Explanation:
Guess: about 3 Measure: about 4 The broccoli is about 4 cubes long

Question 3. Guess: about _________ Measure: about ___________  Explanation:
Guess: about 7 Measure: about 8 The Lettice is about 8 cubes long

Review the Strategies

Choose a strategy

• Guess, check, and revise.
• Draw a diagram.
• Act it out.

Question 4.
The pea pod ¡s more than 1 cube long. It is less than 4 cubes long. About how many cubes long is the pea pod? about __________  Explanation:
about 3 The pea pod ¡s more than 1 cube long.
It is less than 4 cubes long.
According to the conditions the pea pod is measuring 3 cubes

Question 5.
A watermelon grows 1 cube longer each day. On Monday, it was 6 cubes long. How many cubes long will the watermelon be on Wednesday? __________  8 cubes long
On Wednesday the watermelon length is about 8 cubes long.

Question 6.
Sergio picks a bean that is 5 cubes long. Perla picks a bean that is 2 cubes long. How much longer is the bean that Sergio picked?
__________ 3 Sergio picks a bean that is 5 cubes long.
Perla picks a bean that is 2 cubes long.
5 – 2 = 3
3 cubes  longer is the bean that Sergio picked.

### McGraw Hill My Math Grade 1 Chapter 8 Lesson 4 My Homework Answer Key

Problem Solving

About how many pennies long is the object? Guess. Then measure. Revise if needed.

Question 1.  Explanation:
The hockey stick is measuring about 3 pennies

Question 2.  Explanation:
The ball  is measuring about 2 pennies

Question 3.  