We included **HMH Into Math Grade 2 Answer Key PDF** **Module 4 Understand Place Value **to make students experts in learning maths.

## HMH Into Math Grade 2 Module 4 Answer Key Understand Place Value

**Marine Biologist**

Marine biologists study the plants and animals in the ocean. They even study the water itself! Some marine biologists study big animals such as whales and seals. Others study small animals such as sea stars, or plants such as seaweed and tiny algae that float in the water.

**STEM Task:**

Talk with a partner about the picture. Use numbers with digits in the ones place and tens place to describe the plants and animals.

**Learning Mindset**

Bounce Back

Adjusts to Change

Change happens every day, because no day is exactly like the one before! Learning something new, or learning in a different way, is a change. You can respond to changes by being patient and positive. Remember, everything is new at first. Later, it becomes familiar. This means you learned and got smarter!

**Reflect**

Question.

A marine biologist studies and learns new things. The marine world is always changing. Can you think of something in your life that changes often? Is that change challenging for you? How do you adjust to that change?

**What Is Missing?**

For each number, draw quick picture blocks to show what is missing.

**Turn and Talk**

How would you show 65 using base-ten blocks?

**Are You Ready?**

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

**Explore Teen Numbers**

Count how many. Write the number.

Question 1.

Answer:

**Draw the tens. Count the tens. Write the number.**

Question 2.

40 ones

___ tens = ____

Answer:

**Place Value: Two-Digit Numbers**

**Write how many tens and ones. Write the number.**

Question 3.

___ tens ___ ones

________

Answer:

Question 4.

___ tens ___ one

________

Answer: