All the solutions provided in **McGraw Hill My Math Grade 1 Answer Key PDF Chapter 3 Lesson 2 Count On Using Pennies **will give you a clear idea of the concepts.

## McGraw-Hill My Math Grade 1 Answer Key Chapter 3 Lesson 2 Count On Using Pennies

**Explore and Explain**

Answer:

Explanation:

Reese has 6 pennies in his bank

He puts in 3 more pennies

I used to model

I drew 6

Then drew 3 more

I counted on 3 more from 6

6 + 3 = 9

So, Reese has 9 pennies in all.

**Teacher Directions:** Use to model. Reese has 6 pennies in his bank. He puts in 3 more pennies. Count on to find how many pennies Reese has in all. Write how many there are in all. Trace the pennies to show your work.

**See and Show**

A penny has a value of 1 cent. You can count on by ones to add pennies.

**Helpful Hint**

Start with 8 pennies. Count on 9, 10, 11. There are 11 pennies in all.

**Count the group of pennies. Then count on to add.**

Question 1.

Answer:

Explanation:

I started with 7 pennies

I counted on 8, 9

There are 9 pennies in all.

**Talk Math** Why do you count on by ones when you use pennies?

**On My Own**

**Count the group of pennies. Then count on to add.**

Question 2.

Answer:

Explanation:

I started with 4 pennies

I counted on 5, 6, 7

There are 7 pennies in all.

Question 3.

Answer:

Explanation:

I started with 10 pennies

I counted on 11, 12

There are 12 pennies in all.

Question 4.

Answer:

Explanation:

I started with 8 pennies

I counted on 9

There are 9 pennies in all.

**Problem Solving**

Question 5.

Kiah has 6 pennies. She is given 3 more. How many pennies does Kiah have now?

____ pennies

Answer:

Explanation:

Kiah has 6 pennies

She is given 3 more

I started with 6 pennies

I counted on 7, 8, 9

There are 9 pennies in all

So, Kiah have 9 pennies now.

Question 6.

Enrique has 9 pennies in his left pocket. He has 2 more pennies in his right pocket. How many pennies does he have in all?

____ pennies

Answer:

Explanation:

Enrique has 9 pennies in his left pocket

He has 2 more pennies in his right pocket

I started with 9 pennies

I counted on 10, 11

There are 11 pennies in all

So, Enrique has 11 pennies in all.

**HOT Problem** Eliana buys an eraser for 10 pennies. She buys a sticker for 2 pennies. The answer is 12 pennies. What is the question?

____________________

____________________

____________________

Answer:

Elina buys an eraser for 10 pennies. She buys a sticker for 2 pennies. How any pennies does she spent in all?

Explanation:

Eliana buys an eraser for 10 pennies

She buys a sticker for 2 pennies

The answer is 12 pennies

I started with 10 pennies

I counted on 11, 12

Elina spent 12 pennies in all.

### McGraw Hill My Math Grade 1 Chapter 3 Lesson 2 My Homework Answer Key

**Practice**

**Count the group of pennies. Then count on to add.**

Question 1.

Answer:

Explanation:

I started with 6 pennies

I counted on 7, 8, 9

There are 9 pennies in all.

**Count the group of pennies. Then count on to odd.**

Question 2.

Answer:

Explanation:

I started with 10 pennies

I counted on 11

There are 11 pennies in all.

Question 3.

Answer:

Explanation:

I started with 9 pennies

I counted on 10, 11, 12

There are 12 pennies in all.

**Test Practice**

Question 4.

Kylie has 7 pennies. She is given 3 more pennies. How many pennies does Kylie have in all?

(A) 9 pennies

(B) 10 pennies

(C) 11 pennies

(D) 12 pennies

Answer:

(B) 10 pennies

Explanation:

Kylie has 7 pennies

She is given 3 more pennies

I started with 7 pennies

I counted on 8, 9, 10

There are 10 pennies in all

So, Kylie have 10 pennies in all.

**Math at Home** Give your child 10 pennies. Provide your child with 2 more pennies. Ask him or her to count on by 2 using those pennies. Have your child tell you how many pennies he or she has in all.