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## Texas Go Math Grade 2 Lesson 16.2 Answer Key Measure with an Inch Ruler

**Explore**

The bead is 1 inch long. Use the bead to help find the length of each string. Draw to show what you did.

about _________ inches

about _________ inches

about _________ inches

Answer:

Explanation:

The length of 1st string is 5 inches long

The length of the 2nd string is 6 inches long and

The length of the 3rd string is 3 inches long.

FOR THE TEACHER â€¢ Have children use the picture to help them predict how many beads will fit on each string. Then, without measuring, ask them to estimate the length of each string.

Answer:

**Math Talk**

**Mathematical Processes**

Describe how the bead helped you find the length of each string.

Answer:

**Model and Draw**

What is the length of the string to the nearest inch?

STEP 1:

Line up the end of the string with the zero mark on the ruler.

STEP 2:

Find the inch mark that is closest to the other end of the string.

___________ inches

Answer:

I lined up the end of the string with the zero mark on the ruler

The inch mark that is closest to the other end of the string is 2

Therefore, the string is 2 inches long.

**Share and Show**

**Measure the length to the nearest inch.**

Question 1.

___________ inches

Answer:

Explanation:

I lined up the end of the string with the zero mark on the ruler

The inch mark that is closest to the other end of the string is 4

Therefore, the string is 4 inches long.

Question 2.

___________ inches

Answer:

Explanation:

I lined up the end of the string with the zero mark on the ruler

The inch mark that is closest to the other end of the string is 5

Therefore, the string is 5 inches long.

Question 3.

___________ inches

Answer:

Explanation:

I lined up the end of the string with the zero mark on the ruler

The inch mark that is closest to the other end of the string is 2

Therefore, the string is 2 inches long.

Question 4.

___________ inches

Answer:

Explanation:

I lined up the end of the string with the zero mark on the ruler

The inch mark that is closest to the other end of the string is 6

Therefore, the string is 6 inches long.

**Problem Solving**

**Measure the length to the nearest inch.**

Question 5.

___________ inches

Answer:

Explanation:

I lined up the end of the string with the zero mark on the ruler

The inch mark that is closest to the other end of the string is 5

Therefore, the string is 5 inches long.

Question 6.

___________ inches

Answer:

Explanation:

I lined up the end of the string with the zero mark on the ruler

The inch mark that is closest to the other end of the string is 4

Therefore, the string is 4 inches long.

___________ inches

Answer:

Explanation:

I lined up the end of the paper clip with the zero mark on the ruler

The inch mark that is closest to the other end of the paper clip is 2

Therefore, the paper clip is 2 inches long.

**Solve.**

Question 8.

**H.O.T. Multi-Step** How much longer is the red string than the blue string?

_________ inches longer

Answer:

Explanation:

The red string is 2+2 = 4 inches long, the blue string is 1+1 = 2 inches long

The red string is 4-2= 2 inches longer than blue string

Therefore, the red string is 2 inches longer than the blue string.

Question 9.

**H.O.T.** If the red and blue strings were straight and placed end to end, what would the total length be?

_________ inches

Answer:

6 inches

Explanation:

If the red and blue strings were straight and placed end to end

Add the lengths of both the strings that is 4+2 = 6

Therefore, the total length will be 6 inches long.

**Daily Assessment Task**

**Choose the correct answer.**

Question 10.

Use Tools Use an inch ruler. What is the length of the ribbon to the nearest inch?

(A) 5 inches

(B) 2 inches

(C) 4 inches

Answer:

Explanation:

I lined up the end of the ribbon with the zero mark on the ruler

The inch mark that is closest to the other end of the ribbon is 5

Therefore, the ribbon is 5 inches long.

Question 11.

Apply Use an inch ruler. What is the length of the paper clip to the nearest inch?

(A) 4 inches

(B) 1 inch

(C) 2 inches

Answer:

Explanation:

I lined up the end of the paper clip with the zero mark on the ruler

The inch mark that is closest to the other end of the paper clip is 2

Therefore, the paper clip is 2 inches long.

Question 12.

**Texas Test Prep** Use an inch ruler. What is the length of the pencil to the nearest inch?

(A) 1 inch

(B) 4 inches

(C) 3 inches

Answer:

Explanation:

I lined up the end of the pencil with the zero mark on the ruler

The inch mark that is closest to the other end of the pencil is 3

Therefore, the pencil is 3 inches long.

**TAKE HOME ACTIVITY** â€¢ Have your child measure the lengths of some objects to the nearest inch using a ruler or a similar measuring tool.

Answer:

### Texas Go Math Grade 2 Lesson 16.2 Homework and Practice Answer Key

**Measure the length to the nearest inch.**

Question 1.

__________ inches

Answer:

The length of the ribbon is about 4 inches long.

Explanation:

I lined up the end of the ribbon with the zero mark on the ruler.

The inch mark that is closest to the other end of the ribbon is 4.

Therefore, the ribbon is about 4 inches long.

Question 2.

__________ inches

Answer:

The length of the yarn is about 5 inches long.

Explanation:

I lined up the end of the yarn with the zero mark on the ruler.

The inch mark that is closest to the other end of the yarn is 5.

Therefore, the yarn is 5 inches long.

Question 3.

__________ inches

Answer:

The length of the pencil is about 3 inches long.

Explanation:

I lined up the end of the pencil with the zero mark on the ruler.

The inch mark that is closest to the other end of the pencil is 3.

Therefore, the pencil is 3 inches long.

**Problem Solving**

Question 4.

**Multi-Step** Measure the lengths to the nearest inch. How much shorter is the ribbon than the yarn?

____________ inch shorter

Answer:

The ribbon is 1 inch shorter than yarn.

Explanation:

I lined up the end of the yarn and ribbon with the zero mark on the ruler.

The inch mark that is closest to the other end of the yarn is 4.

The inch mark that is closest to the other end of the ribbon is 3.

The yarn is about 4 inches long. The ribbon is about 3 inches long. So, the ribbon is 1 inch shorter than yarn.

**Lesson Check**

**Choose the correct answer.**

Question 5.

Jack chooses an object that is about 2 inches long. Which object did Jack choose?

(A) pen

(B) ribbon

(C) eraser

Answer:

Option C is correct.

Explanation:

In the above image we can observe three different objects. Jack chooses an object that is about 2 inches long. Jack chosen eraser. Because in all the three objects eraser is about 2 inches long. So, draw a circle for option C.

Question 6.

Jane chooses an object that is about 3 inches long. Which object did Jane choose?

(A) pen

(B) ribbon

(C) eraser

Answer:

Option B is correct.

Explanation:

In the above image we can observe three different objects. Jack chooses an object that is about 3 inches long. Jack chosen ribbon. Because in all the three objects ribbon is about 3 inches long. So, draw a circle for option B.

Question 7.

Use an inch ruler. What is the length of the marker to the nearest inch?

(A) about 5 inches

(B) about 6 inches

(C) about 3 inches

Answer:

Option A is correct.

Explanation:

I lined up the end of the marker with the zero mark on the ruler.

The inch mark that is closest to the other end of the marker is 5.

Therefore, the marker is 5 inches long. So, draw a circle for option A.