We included **HMH Into Math Grade 2 Answer Key PDF** **Module 18 Lesson 1 Estimate Lengths Using Inches **to make students experts in learning maths.

## HMH Into Math Grade 2 Module 18 Lesson 1 Answer Key Estimate Lengths Using Inches

I Can use 1 -inch tiles to estimate lengths.

**Spark Your Learning**

How long is the red yarn?

The red yarn is about _________ tiles long.

Delia is making a yarn rainbow. She has cut one piece of red yarn so far. All of the red yarn pieces must be the same length. How can Delia use tiles to find the length of the yarn she has cut?

Answer:

Explanation:

The red yarn is about 5 tiles long.

Delia is making a yarn rainbow.

so, she cut all the yarn about 5 tiles long.

**Build Understanding**

A square tile is 1 inch long.

Josh sorts crayons of different lengths for an art project.

How can Josh use a square tile to estimate the length of this crayon?

Connect to Vocabulary

To estimate is to make a reasonable guess.

A. About how many tiles long is the crayon?

about _________ tiles

Answer:

about 3 tiles

B. About how many inches long ¡s the crayon?

about __________ inches

Answer:

about 3 inches,

the crayon is 3 inches long.

**Turn and Talk** Why is it important that there are no gaps between the tiles?

Answer:

If there are gaps the length will be vary,

so, there should not in between tiles.

**Step It Out**

Question 1.

Use the red tile to estimate the length of the marker.

A. Draw more tiles of the same size. How many total tiles match the length of the marker?

_________ tiles

Answer: 6 tiles are required to match the length of the marker.

B. Since each tile has a length of 1 inch, the marker ¡s about

________ inches long.

Answer:

Explanation:

There are 6 inches tiles match the length of the marker,

so, the marker is 6 tile or 6 inches long.

**Turn and Talk** How did you use the tile to estimate the length of the marker?

Answer:

By placing the tiles one attached to the other, and counting the number of the tiles,

One tile = 1 inch long.

**Check Understanding**

Question 1.

Draw more tiles to match the length of the pencil. Draw tiles. Circle the best estimate.

about 10 inches

about 5 inches

about 2 inches

Answer:

Explanation:

about 5 inches

The pencil is about 5 inches long,

5 inches = 5 tiles long.

**On Your Own**

Question 2.

**Reason** About how long is Cady’s glue stick?

The glue stick is about ________ inches long.

Answer:

Explanation:

The glue stick is about 4 inches long.

4 inches = 4 tiles long.

Question 3.

**Attend to Precision** About how many inches long is the bookmark? Draw more tiles to estimate.

Answer:

Explanation:

The Book mark is 6 inches long

6 inches = 6 tiles long

It took 6 tiles to complete the book mark.

**I’m in a Learning Mindset!**

What helps me finish my work?

Answer: With the help of the tiles we can estimate the length of the objects.