We included **HMH Into Math Grade 2 Answer Key PDF** **Module 16 Three-Digit Addition** to make students experts in learning maths.

## HMH Into Math Grade 2 Module 16 Answer Key Three-Digit Addition

**Event Organizer**

If you enjoy working with people and taking on challenges, you might like being an event organizer! Event organizers plan events such as parties, weddings, and shows. They keep track of how many people will come. They know how much everything from food to transportation will cost.

STEM Task:

Compare the numbers on the whiteboard in the picture. Talk about why each number is different.

**Learning Mindset Challenge Me Accepts Challenges**

Some things are easy to do or learn. Some things are more difficult and can be challenging. When we accept a challenge, we know that it might not be easy. But, we often learn that it is worth the hard work.

**Reflect**

Question 1.

Look at the event planner’s whiteboard. How many people does the event planner think will come? How many invitations are there? Why do you think that the numbers are different?

Answer:

350 people that

the event planner think will come

There are 400 invitations.

some people may come or not come.

Question 2.

Did you accept the challenge of comparing the three-digit numbers? Why or why not?

Answer:

400 – 350 = 50

comparing is little tough in 3 digit numbers.

**Let’s Find the Sums!**

Claudio drew these shapes with numbers in them.

Find the sum of the numbers inside the triangle.

_________ + _________ = _________

Find the sum of the numbers inside the square.

_________ + _________ = _________

Find the sum of the numbers inside the shapes.

_________ + _________ + _________ = _________

Answer:

47 + 11 = 58

in the triangle.

11 + 38 = 49

inside the square

47 + 11 + 38 = 96

the sum of the numbers inside the shapes.

**Turn and Talk**

How did you find the sum of all three two-digit numbers?

Answer:

first we add the ones

then tens

if there is any regrouping we regroup and

again we add the hundreds

**Are You Ready?**

Complete these problems to review prior concepts and skills you will need for this module.

**Represent Addition: Two-Digit and One-Digit Numbers**

**Solve. Show your work.**

Question 1.

London has 9 comic books and 33 chapter books. How many books does London have?

Equation: _____________

London has __________ books.

Answer:

London has 42 books

Explanation:

London has 9 comic books

and 33 chapter books.

33 + 9 = 42

42 books that London have

**Hundreds, Tens, and Ones**

**Write the number.**

Question 2.

Answer:

Explanation:

1 stick represent 10 ones

and 1 cube represent 1 ones

100 + 5 = 105

Question 3.

Answer:

Explanation:

1 stick represent 10 ones

and 1 cube represent 1 ones

100 + 10 + 4 = 114

**Two-Digit Addition and Subtraction**

**Add or subtract to solve.**

Question 4.

Answer:

Explanation:

The sum of two digit numbers

52 + 36 = 88

Question 5.

Answer:

Explanation:

The difference of two digit numbers

30 – 20 = 10