Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 17.1 Answer Key Measure with a Centimeter Ruler.

## Texas Go Math Grade 2 Lesson 17.1 Answer Key Measure with a Centimeter Ruler

**Essential Question**

How do you use a centimeter ruler to measure lengths?

A ruler can be defined as a tool or device used to measure length and draw straight lines. A ruler or measuring tape can be used to measure lengths in both metric and customary units. Here, the ruler is marked in centimeters (cms) along the top and in inches along the bottom.

**Explore**

Use to measure the length.

Explanation:

measured the length with the help of cubes

The above string measured 6 unit cubes

Explanation:

measured the length with the help of cubes

The above string measured 11 unit cubes

Explanation:

measured the length with the help of cubes

The above string measured 8 unit cubes

**Math Talk**

**Mathematical Processes**

Describe how to use unit cubes to measure objects length

Explanation:

Place the cubes on the sting

Then count the cubes

**For The Teacher**

- Provide unit cubes for children. Remind them that to measure with cubes they should line them up so that there are no gaps.

**Model and Draw**

What is the length of the crayon to the nearest centimeter?

Line up the left edge of the object with the zero mark on the ruler.

_______ centimeters

Answer: 9 centimeters

Explanation:

The above crayon is measured with the help of a ruler

placed the left edge of the object with the zero mark on the ruler.

**Share and Show**

**Measure the length to the nearest centimeter.**

Question 1.

_______ centimeters

Answer: 14 centimeters

Explanation:

The above brush is measured with the help of a ruler

placed the left edge of the object with the zero mark on the ruler.

Question 2.

_______ centimeters

Answer: 9 centimeters

Explanation:

The above pipe is measured with the help of a ruler

placed the left edge of the object with the zero mark on the ruler.

Question 3.

_______ centimeters

Answer: 15 centimeters

Explanation:

The above scale is measured with the help of a ruler

placed the left edge of the object with the zero mark on the ruler.

**Problem Solving**

**Measure the length to the nearest centimeter.**

Question 4.

_______ centimeters

Answer: 13 centimeters

Explanation:

it measures 13 centimeters

The above brush is measured with the help of a ruler

placed the left edge of the object with the zero mark on the ruler.

Question 5.

_____ centimeters

Answer: 10 centimeters

Explanation:

the pencil measures 10 centimeters

The above pencil is measured with the help of a ruler

placed the left edge of the object with the zero mark on the ruler.

Question 6.

**H.O.T. Multi-Step** The crayon was on the table next to the centimeter ruler. The left edge of the crayon was not lined up with the zero mark on the ruler.

What is the length of the crayon?

Explain how you found your answer.

Answer: 8 centimeters

Explanation:

The above crayon is measured with the help of a ruler

placed the left edge of the crayon at 3 was not lined up with the zero mark on the ruler

so, start counting at 4 as 1 then the crayon measures as 8

Question 7.

**H.O.T.** A marker is 13 centimeters long. This length ends between which two centimeter-marks on a ruler?

Answer: 0 and 13

Explanation:

placed the left edge of the object with the zero mark on the ruler.

The end will be at 13

**Daily Assessment Task**

**Choose the correct answer.**

Question 8.

**Use Tool **Measure with a centimeter ruler. How many centimeters long is the pencil?

(A) 10 centimeters

(B) 13 centimeters

(C) 11 centimeters

Answer: C

Explanation:

11 centimeters long

The above crayon is measured with the help of a ruler

placed the left edge of the object with the zero mark on the ruler.

Question 9.

**Use Tools** Measure with a centimeter ruler. How many centimeters long is the marker?

(A) 9 centimeters

(B) 12 centimeters

(C) 10 centimeters

Answer: A

Explanation:

it measures 9 centimeters

The above pencil is measured with the help of a ruler

placed the left edge of the object with the zero mark on the ruler.

Question 10.

**Texas Test Prep** Use a centimeter ruler. Which is the best choice for the length of this string?

(A) 9 centimeters

(B) 12 centimeters

(C) 10 centimeters

Answer: A

Explanation:

9 is the best choice for it

The above string is measured with the help of a ruler

placed the left edge of the object with the zero mark on the ruler.

### Texas Go Math Grade 2 Lesson 17.1 Homework and Practice Answer Key

**Measure the length to the nearest centimeter.**

Question 1.

___ centimeters

Answer: 10 centimeters

Explanation:

The above string is measured with the help of a ruler

placed the left edge of the object with the zero mark on the ruler.

it measures 10 centimeters

**Problem Solving**

Question 2.

**Multi-Step** A pencil was on a table next to a centimeter ruler. The left edge of the pencil was not lined up with the zero mark on the ruler.

What is the length of the pencil? Explain how you found your answer.

Answer: 12 centimeter

Explanation:

The above pencil is measured with the help of a ruler

placed the left edge of the crayon at 1 and started counting from 2

13 – 1 = 12

**Texas Test Prep**

**Lesson Check**

**Choose the correct answer.**

Question 3.

How many centimeters long is the rope?

(A) 1 centimeters

(B) 8 centimeter

(C) 3 centimeters

Answer: B

Explanation:

The above rope is measured with the help of a ruler

placed the left edge of the object with the zero mark on the ruler.

It measures 8 centimeters

Question 4.

Melanie has a paintbrush that is shown. How many centimeters long is her paintbrush?

(A) 18 centimeters

(B) 5 centimeters

(C) 12 centimeters

Answer: C

Explanation:

The above brush is measured with the help of a ruler

placed the left edge of the object with the zero mark on the ruler.

It measures 12 centimeters