# Practice and Homework Lesson 1.5 Answer Key

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The Practice and Homework Lesson 1.5 is about Algebra and Add Zero. The lesson is based on the Common Core State Standards Curriculum that can be a reference. In order to practice the lesson easily, at least you should learn about a way of solving the questions correctly.

No worries! This post will show you the Practice and Homework Lesson 1.5 answer key and questions. We got the answer keys of the Practice and Homework Lesson 1.5 based on the Common Core State Standards Curriculum from Go Math site that you can access HERE. So, let’s see the Practice and Homework Lesson 1.5 Answer Keys below!

The Answer Keys of Practice and Homework Lesson 1.5

In lesson 1.5 based on the Common Core State Standards Curriculum, you will learn about Algebra (Add  Zero). When you are learning about this lesson, you will find the essential question that says ‘What happens when you add 0 to a number?’.

Mathematical Practices

Here’s a list of mathematical practices:

Question 1:

Jennifer with 4 marbles and Scott with no marbles?

Problem solving:

• Jeniffer: 4
• Scitt: 0

The answer is: 4 + 0 = 4. (So, the number of marbles is 4)

Share and Show Math Board

You can use the picture to write each part.

Question 1:

 •

1 + 0 =

Problem solving: The sum of numbers 1 and 0 (1 +0)

The answer is 1+0 = 1 (the sum for 1+0 = 1)

Question 2:

 • •

0        + 2 =

Problem Solving: The sum of numbers 0 and 2 (0 +2)

The answer is 0+2 = 2 (the sum for 0+2 = 2)

Question 3:

 • • • •

0 + 4 =

Problem Solving: The sum of numbers 0 and 4 (0 +4)

The answer is 0 + 4 = 4 (the sum for 0 + 4 = 4)

Question 4:

 • • • • • •

6 + 0 =

Problem Solving: The sum of numbers 6 and 0 (6 + 0)

The answer is 6 + 0 = 6 (the sum for 6 + 0 = 6)

In this section, you need to draw to show the number and write the sum.

Question 5:

 2 + 0 = –

Problem Solving: The sum of numbers 2 and 0 (2 + 0)

The answer is 2 + 0 = 2 (the sum for 2 + 0 = 2)

Question 6:

 0 + 1 = –

Problem Solving: The sum of numbers 0 and 1 (0 + 1)

The answer is 0 + 1 = 0 (the sum for 0 + 1 = 1)

Question 7:

 4  + 6 = –

Problem Solving: The sum of numbers 4 and 6 (4 + 6)

The answer is 4 + 6 = 10 (the sum for 4 + 6 = 10)

Question 8:

 0 + 5 = –

Problem Solving: The sum of numbers 0 and 5 (0 + 5)

The answer is 0 + 5 = 5 (the sum for 0 + 5 = 5)

Question 9:

 3 + 4 = –

Problem Solving: The sum of numbers 3 and 4 (3 + 4)

The answer is 3 + 4 = 7 (the sum for 3 + 4 = 7)

Question 10:

 0 + 6 = –

Problem Solving: The sum of numbers 0 and 6 (0 + 6)

The answer is 0 + 6 = 6 (the sum for 0 + 6 = 6)

Think Smarter

Question 11:

There are 5 red birds. There are 3 green birds. How many birds are blue?

Problem solving:

• There are 5 red birds.
• There are 3 green birds.

5 + 3 + 2 = 10

The answer is 2 (the number of bluebirds are 2)

Question 12:

Maya has 7 books. Eli has no books. Then Maya gives 7 books to Eli. How many books does Maya have?

Problem solving:

• Maya has 7 books
• Eli has no books
• Maya gives 7 books to Eli

7 – 7 = 0

The answer is 0 (Maya has 0 book)

Question 13:

Complete the additional sentence.

7+7= 0

The answer is 0 (The number of Books that Maya has = 0)

Problem Solving Applications

Mathematical Practice

Question 14:

Mike has 7 books. Cheryl does not have any books. How many books do they both have?

7 + 0 = 7 (7 books)

Problem Solving:

• Mike has 7 books
• Cheryl has no any books

7 + 0 = 7

The answer is 7 (The number of Books they have both = 7)

Think Smarter

Question 15:

There are 5 birds in all. How many birds are in the bird house? 5 birds

Problem solving:

• There are 5 birds in all

5 + 0 = 5

The answer is 5. (The number of birds in the birdhouse is 5)

Question 16:

There are no dogs in the park. Then 5 dogs come to the park. How many dogs are in the park now? 5 dogs

Problem Solving:

• There are no dogs in the park.
• Then 5 dogs come to the park.

0 + 5 = 5.

The answer is 5 (The number of dogs in the park now is 5)

Take Home Activity

For Take Home Activity, you need to write the numbers 0 to 9 on small squares of paper. Then, you need to shuffle and put the cards facedown. Have your child turn over the top card and then add zero to that number. Say the sum. You can repeat the activity for each card.

Question 1:

0 = 5 = –

Problem solving:

0 + 5 = 5

The answer is 5 (the sum of numbers 0 and 5 is 5)

Question 2:

1 + 3 = –

Problem solving: 1 + 3 = 4

The answer is 4 (the sum of numbers 1 and 3 is 4)

Problem Solving

Question 3:

6 turtles swim. No turtles join them. How many turtles are there now?

Problem Solving:

There are 6 turtles and 0 more turtles (6 + 0 = 6)

The answer is 6 turtles (The number of turtles is 6)

Well, those are some Practice and Homework Lesson 1.5 Answer Keys based on the Common Core State Standards Curriculum.