Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model

We included HMH Into Math Grade 1 Answer Key PDF Module 6 Lesson 4 Represent Total Unknown Problems with a Visual Model to make students experts in learning maths.

HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model

I Can make a visual model to solve word problems when the total is unknown.

Spark Your Learning

Ayden sees 9 robins. Gina sees 5 robins. How many robins do they see?
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 1
Show how to solve the problem.
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 2
Answer:

Explanation:
Ayden sees 9 robins. Gina sees 5 robins
The addition equation that solves the problem is
9 + 5 = 14
Therefore, Ayden and Gina saw 14 robins.

Read the problem to children, Hove children solve the problem and draw to show their thinking.

Build Understanding

There are 6 cats and 7 kittens playing with yarn. How many cats and kittens altogether are playing with yarn?
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 3
A. How can you use a concrete model and bar model to show this problem?
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 4
B. How does your concrete model match the bar model?
C. How many cats and kittens altogether are playing with yam?
___ cats and kittens
Answer:

Explanation:
There are 6 cats and 7 kittens playing with yarn
The addition equation that solves the problem is
6 + 7 = 13
Therefore, 13 cats and kittens altogether are playing with yarn.

Turn and Talk How does a bar model help you understand the problem?

Step It Out

1. A movie theater has 5 large boxes of popcorn and 7 small boxes of popcorn. How many boxes of popcorn are there?
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 5
Use a bar model to solve this problem.
A. Use HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 6 Make a concrete model to match the bar model. Color to show what you did. Write the total.
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 7
B. Use the bar model to help you write an equation that solves the problem.
Equation: _____
C. There are ____ boxes of popcorn.
Answer:

Explanation:
A movie theater has 5 large boxes of popcorn and 7 small boxes of popcorn
The addition equation that solves the problem is
5 + 7 = 12
Therefore, there are 12 boxes of popcorn.

Turn and Talk How does each part of the bar model represent the problem?

Step It Out

2. Anna has 4 boxes of juice. Rick has 7 boxes of juice. How many boxes of juice do they have?
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 8

A. Write how many boxes of juice each child has in the bar model. Then write the total.
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 9
B. Use the bar model to write an equation that solves the problem.
Equation: ____
Anna and Rick have ___ boxes of juice.
Answer:

Explanation:
Anna has 4 boxes of juice
Rick has 7 boxes of juice
The addition equation that solves the problem is
4 + 7 = 11
Therefore, Anna and Rick have 11 boxes of juice.

Check Understanding Math Board

Use a bar model to solve the problem.

Question 1.
Jesse has 3 pears and 9 apples. How many pears and apples does he have altogether?
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 10
Equation: ____
Jesse has ___ pears and apples.
Answer:

Explanation:
Jesse has 3 pears and 9 apples.
The addition equation that solves the problem is
3 + 9 = 12
There are 12 pears and apples.

On Your Own

Color the cubes to match the bar model. Then write an equation to solve.

Question 2.
Model with Mathematics There are 5 big dogs and 8 little dogs at the park. How many dogs are at the park?
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 11
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 12
Equation: _____
There are ___ dogs at the dog park.
Answer:

Explanation:
There are 5 big dogs and 8 little dogs at the park
The addition equation that helps to solve the problem is
5 + 8 = 13
There are 13 dogs at the dog park.

Question 3.
Open Ended Complete the bar model. Write a story problem to match the bar model.
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 13
Answer:

7 + 9 = 16.

Explanation:
There are 7 books on the table and 9 books on the chair.
Find the total number of books using a bar model.

Model with Mathematics Use a bar model to solve the problem.

Question 4.
There are 8 school buses and 9 cars outside. How many buses and cars are outside?
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 14
Equation: ___
There are ___ buses and cars outside.
Answer:

Explanation:
There are 8 school buses and 9 cars outside
The addition equation that matches with the problem is
8 + 9 = 14
There are 14 buses and cars outside.

Question 5.
There are 6 large dolls and 7 small dolls. How many dolls are there?
HMH Into Math Grade 1 Module 6 Lesson 4 Answer Key Represent Total Unknown Problems with a Visual Model 15
Equation: _____
There are ___ dolls.
Answer:

Explanation:
There are 6 large dolls and 7 small dolls
The addition that matches with the problem is
6 + 7 = 13
There are 13 dolls.

I’m in a Learning Mindset!

What tools can I use to solve Problem 4?
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