All the solutions provided inÂ **McGraw Hill My Math Grade 1 Answer Key PDF Chapter 2 Lesson 7 Compare Groups **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 1 Answer Key Chapter 2 Lesson 7 Compare Groups

**Explore and Explain**

Answer:

Explanation:

I placed the cubes on the monkeys and birds

I counted and wrote the number of monkeys and the number of birds.

Teacher Directions: Look at the picture. Place on each bird. Place on each monkey. Count and write how many of each animal. Circle the number that shows more.

**See and Show**

You can subtract to compare groups.

There are 6 zebras. There are 2 elephants. How many more zebras are there than elephants?

Answer:

Explanation:

There are 6 zebras

There are 2 elephants

I drew counters to show the numbers

6 – 2 = 4

4 more zebras and 4 fewer elephants.

**Use . Write a subtraction number sentence. Write how many more or fewer.**

Question 1.

There are 7 giraffes. There are 2 rhinos. How many more giraffes are there than rhinos?

____ – ____ = ____ more giraffes

Answer:

Explanation:

There are 7 giraffes

There are 2 rhinos

I drew counters to show the numbers

I marked X on 2 circles

7 – 2 = 5

So, there are 5 more giraffes.

**Talk Math** What happens when you compare equal groups?

Answer: The difference will be “0” when you compare equal groups.

**On My Own**

**Use . Write a subtraction number sentence Write how many more or fewer.**

Question 2.

There are 5 leopards. There are 3 gorillas. How many fewer gorillas are there than leopards?

____ – ____ = ____ fewer gorillas

Answer:

Explanation:

There are 5 leopards

There are 3 gorillas

I drew counters to show the numbers

I marked X on 3 circles

5 – 3 = 2

So, there are 2 fewer gorillas.

Question 3.

9 butterflies are black. 5 butterflies are yellow. How many fewer butterflies are yellow than black?

____ – ____ = ____ fewer butterflies

Answer:

Explanation:

9 butterflies are black

5 butterflies are yellow

I drew counters to show the numbers

I marked X on 5 circles

9 – 5 = 4

There are 4 fewer yellow butterflies than black butterflies.

Question 4.

There are 6 tigers. There are 2 cheetahs. How many more tigers are there than cheetahs?

_____ – ____ = ____ more tigers

Answer:

Explanation:

There are 6 tigers

There are 2 cheetahs

I drew counters to show the numbers

I marked X on 2 circles

6 – 2 = 4

There are 4 more tigers.

**Problem Solving**

Question 5.

There are 8 elephants. There are 4 lions. How many fewer lions are there than elephants?

____ fewer lions

Answer:

Explanation:

There are 8 elephants

There are 4 lions

I drew counters to show the numbers

I marked X on 4 circles

8 – 4 = 4

So, there are 4 fewer lions.

Question 6.

There are 9 monkeys and 8 parrots in a tree. How many more monkeys are there than parrots?

____ more monkey

Answer:

Explanation:

There are 9 monkeys and 8 parrots in a tree

I drew counters to show the numbers

I marked X on 8 circles

9 – 8 = 1

So, there is 1 more monkey.

**Write Math** How can you use subtraction to compare groups?

_________________________

_________________________

_________________________

_________________________

Answer:

If we subtract two different groups we can compare them to find which group has more and which has fewer.

### McGraw Hill My Math Grade 1 Chapter 2 Lesson 7 My Homework Answer Key

**Practice**

**Write a subtraction number sentence. Write how many more or fewer.**

Question 1.

There are 4 snakes. There are 2 chimps. How many fewer chimps are there than snakes?

____ – ____ = ____ fewer chimps

Answer:

Explanation:

There are 4 snakes

There are 2 chimps

I drew counters to show the numbers

I marked X on 2 circles

4 – 2 = 2

So, there are 2 fewer chimps.

Question 2.

Stella ate 3 bananas. Seth ate 2 bananas. How many fewer bananas did Seth eat than Stella?

____ – ____ = ____ fewer banana

Answer:

Explanation:

Stella ate 3 bananas

Seth ate 2 bananas

I drew counters to show the numbers

I marked X on 2 circles

3 – 2 = 1

So, there is 1 fewer banana.

**Write a subtraction number sentence. Write how many more or fewer.**

Question 3.

There are 5 frogs in a pond and 3 frogs on the land. How many more frogs are in a pond than on the land?

_____ – _____ = ____ more frogs

Answer:

Explanation:

There are 5 frogs in a pond and 3 frogs on the land

I drew counters to show the numbers

I marked X on 3 circles.

5 – 3 = 2

So, there are 2 more frogs.

Question 4.

Jesse went fishing. He caught 7 fish in the morning and 6 fish in the afternoon. How many fewer fish did Jesse catch in the afternoon than in the morning?

____ – ____ = ____ fewer fish

Answer:

Explanation:

Jesse went fishing

He caught 7 fish in the morning and 6 fish in the afternoon

I drew counters to show the numbers

I marked X on 6 circles

7 – 6 = 1

So, there is 1 fewer fish.

**Vocabulary Check**

**Circle the correct answer.**

compare add

Question 5.

Subtract two different groups so you can ____ them to find which group has more and which has fewer.

Answer:

Subtract two different groups so you can compare them to find which group has more and which has fewer.

**Math at Home** Take a walk outside. Collect leaves or other objects found in nature. Create two groups with the items showing less than 9 items in each group. Have your child tell how many more or how many fewer.