All the solutions provided inÂ **McGraw Hill My Math Grade 1 Answer Key PDF Chapter 2 Lesson 4 Subtract 0 and All **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 1 Answer Key Chapter 2 Lesson 4 Subtract 0 and All

**Explore and Explain**

Answer:

Explanation:

A team had 6 baseballs at their game

They lost 6 of them

I drew counters and marked X on the counters that are lost

When you subtract all, you have 0 left.

6 – 6 = 0 is the subtraction number sentence

0 is the difference

So, no balls are left.

**Teacher Directions:** Use to model. A team had 6 baseballs at their game. They lost 6 of them. How many baseballs are left? Trace your counters. Mark X on the baseballs that are lost. Write the subtraction number sentence.

**See and Show**

When you subtract 0, you have the same number left.

Answer:

Explanation:

4 – 0 = 4 is the subtraction number sentence

The difference is 4.

When you subtract all, you have 0 left.

Answer:

Explanation:

4 – 4 = 0 is the subtraction number sentences

0 is a difference.

**Subtract.**

Question 1.

5 – 5 = ____

Answer:

0

Explanation:

When you subtract all, you have 0 left

5 – 5 = 0 is the subtraction number sentence

0 is the difference.

Question 2.

8 – 0 = ____

Answer:

8

Explanation:

When you subtract 0, you have the same number left

8 – 0 = 8 is the subtraction number sentence

8 is the difference.

Question 3.

1 – 0 = ____

Answer:

1

Explanation:

When you subtract 0, you have the same number left

1 – 0 = 1 is the subtraction number sentence

1 is the difference.

Question 4.

3 – 3 = ____

Answer:

0

Explanation:

When you subtract all, you have 0 left

3 – 3 = 0 is the subtraction number sentence

0 is the difference.

**Talk Math** Why do you get zero when you subtract all? Explain.

Answer:

When we subtract all there will be left nothing

So, we get 0 Zero as the difference.

**On My Own**

**Subtract.**

Question 5.

3 – 0 = ____

Answer:

3

Explanation:

When you subtract 0, you have the same number left

3 – 0 = 3 is the subtraction number sentence

3 is the difference.

Question 6.

9 – 9 = ____

Answer:

0

Explanation:

When you subtract all, you have 0 left

9 – 9 = 0 is the subtraction number sentence

0 is the difference.

Question 7.

7 – 0 = ____

Answer:

7

Explanation:

When you subtract 0, you have the same number left

7 – 0 = 8 is the subtraction number sentence

7 is the difference.

Question 8.

2 – 2 = ____

Answer:

0

Explanation:

When you subtract all, you have 0 left

2 – 2 = 0 is the subtraction number sentence

0 is the difference.

Question 9.

8 – 0 = ___

Answer:

8

Explanation:

When you subtract 0, you have the same number left

8 – 0 = 8 is the subtraction number sentence

8 is the difference.

Question 10.

3 – 3 = ___

Answer:

0

Explanation:

When you subtract all, you have 0 left

3 – 3 = 0 is the subtraction number sentence

0 is the difference.

Question 11.

6 – 6 = ____

Answer:

0

Explanation:

When you subtract all, you have 0 left

6 – 6 = 0 is the subtraction number sentence

0 is the difference.

Question 12.

4 – 0 = ____

Answer:

4

Explanation:

When you subtract 0, you have the same number left

4 – 0 = 4 is the subtraction number sentence

4 is the difference.

Question 13.

7 – 7 = ____

Answer:

0

Explanation:

When you subtract all, you have 0 left

7 – 7 = 0 is the subtraction number sentence

0 is the difference.

Question 14.

1 – 1 = ____

Answer:

0

Explanation:

When you subtract all, you have 0 left

1 – 1 = 0 is the subtraction number sentence

0 is the difference.

Question 15.

9 – 0 = ____

Answer:

9

Explanation:

When you subtract 0, you have the same number left

9 – 0 = 9 is the subtraction number sentence

9 is the difference.

Question 16.

5 – 0 = ____

Answer:

5

Explanation:

When you subtract 0, you have the same number left

5 – 0 = 8 is the subtraction number sentence

5 is the difference.

**Problem Solving**

**Write a subtraction number sentence.**

Question 17.

There are 9 bears lying down. 0 of the bears leave. How many bears are still lying down?

_____ – ____ = ____ bears

Answer:

9 – 0 = 9

Explanation:

There are 9 bears lying down

0 of the bears leave

When you subtract 0, you have the same number left

9 – 0 = 9 is the subtraction number sentence

9 is the difference

9 bears are still lying down.

Question 18.

A koala bear finds 7 leaves on the ground. The koala eats 7 of the leaves. How many leaves are left?

_____ – ____ = ____ leaves

Answer:

7 – 7 = 0 leaves

Explanation:

A koala bear finds 7 leaves on the ground

The koala eats 7 of the leaves

When you subtract all, you have 0 left

7 – 7 = 0 is the subtraction number sentence

0 is the difference

No leaves are left.

**HOT Problem** A parrot has 6 baby birds in a nest. 0 baby birds fly away. The answer is 6 baby birds. What is the question?

_______________________

_______________________

_______________________

_______________________

Answer:

A parrot has 6 baby birds in a nest

Some baby birds flew away

There are 6 baby birds left in the nest

How many baby birds flew away

Explanation:

A parrot has 6 baby birds in a nest

0 baby birds fly away

When you subtract 0, you have the same number left

6 – 0 = 6

So, 0 baby birds flew birds.

### McGraw Hill My Math Grade 1 Chapter 2 Lesson 4 My Homework Answer Key

**Practice**

**Subtract.**

Question 1.

5 – 0 = ____

Answer:

5

Explanation:

When you subtract 0, you have the same number left

5 – 0 = 5 is the subtraction number sentence

5 is the difference.

Question 2.

6 – 6 = ___

Answer:

0

Explanation:

When you subtract all, you have 0 left

6 – 6 = 0 is the subtraction number sentence

0 is the difference.

Question 3.

3 – 3 = ____

Answer:

0

Explanation:

When you subtract all, you have 0 left

3 – 3 = 0 is the subtraction number sentence

0 is the difference.

Question 4.

7 – 0 = _____

Answer:

7

Explanation:

When you subtract 0, you have the same number left

7 – 0 = 7 is the subtraction number sentence

7 is the difference.

**Subtract.**

Question 5.

1 – 0 = ____

Answer:

1

Explanation:

When you subtract 0, you have the same number left

1 – 0 = 1 is the subtraction number sentence

1 is the difference.

Question 6.

9 – 9 = _____

Answer:

0

Explanation:

When you subtract all, you have 0 left

9 – 9 = 0 is the subtraction number sentence

0 is the difference.

Question 7.

7 – 7 = ____

Answer:

0

Explanation:

When you subtract all, you have 0 left

7 – 7 = 0 is the subtraction number sentence

0 is the difference.

Question 8.

6 – 0 = ____

Answer:

6

Explanation:

When you subtract 0, you have the same number left

6 – 0 = 6 is the subtraction number sentence

6 is the difference.

Question 9.

5 – 0 = ____

Answer:

5

Explanation:

When you subtract 0, you have the same number left

5 – 0 = 5 is the subtraction number sentence

5 is the difference.

Question 10.

8 – 8 = _____

Answer:

0

Explanation:

When you subtract all, you have 0 left

8 – 8 = 0 is the subtraction number sentence

0 is the difference.

Question 11.

There are 8 parrots on a branch. 0 parrots fly away. How many parrots are left on the branch?

_____ parrots

Answer:

8 parrots

Explanation:

There are 8 parrots on a branch

0 parrots fly away

When you subtract 0, you have the same number left

8 – 0 = 8 is the subtraction number sentence

8 is the difference

8 parrots are left on the branch.

**Test Practice**

Question 12.

There are 9 lizards on a leaf. 9 of them crawl away. How many lizards are still on the leaf?

(A) 18

(B) 9

(C) 5

(D) 0

Answer:

(D) 0

Explanation:

There are 9 lizards on a leaf

9 of them crawl away

When you subtract all, you have 0 left

9 – 9 = 0 is the subtraction number sentence

0 is the difference

There are no lizards are still on the leaf.

**Math at Home** Give your child 3 objects. Have them use the objects to show 3 – 0 and 3 – 3.