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## Texas Go Math Grade 4 Module 2 Assessment Answer Key

**Vocabulary**

- decimal
- decimal point
- hundred
- hundredth

**Choose the best term from the box to complete the sentence.**

Question 1.

A symbol used to separate the ones and the tenths place is called a ______________ .

Answer:

We know that,

A symbol used to separate the ones and the tenth place is called a “Decimal point”

Hence, from the above,

We can conclude that

The best term that is suitable for the given statement is: Decimal point

Question 2.

The number 0.4 is written as a _____________ .

Answer:

We know that,

The number 0.4 is written as a “Decimal”

Hence, from the above,

We can conclude that

The best term that is suitable for the given statement is: Decimal

Question 3.

A ______________ is one of one hundred equal parts of a whole.

Answer:

We know that,

A “Hundredth” is one of one hundred equal parts of a whole.

Hence, from the above,

We can conclude that

The best term that is suitable for the given statement is: Hundredth

**Concepts and Skills**

**Complete the sentence.**

Question 4.

0.04 is \(\frac{1}{10}\) of ____

Answer:

We know that,

\(\frac{1}{10}\) × x = y

So,

\(\frac{1}{10}\) × x = 0.04

x = 0.04 × 10

x = 0.4

Hence, from the above,

We can conclude that

0.04 is \(\frac{1}{10}\) of 0.4

Question 5.

0.6 is 10 times as much as _____________

Answer:

We know that,

10 × x = y

So,

10 × x = 0.6

x = 0.6 × \(\frac{1}{10}\)

x = 0.06

Hence, from the above,

We can conclude that

0.6 is 10 times as much as 0.06

**Write the number in two other ways.**

Question 6.

2.0 + 0.5 + 0.04

Answer:

The given Expanded form is:

2.0 + 0.5 + 0.04

Now,

The representation of the Standard form for the given Expanded form is: 2.54

The representation of the Word from for the given Expanded from is:

Two and Fifty-four hundredths

Hence, from the above,

We can conclude that

The representation of the Standard form for the given Expanded form is: 2.54

The representation of the Word from for the given Expanded from is:

Two and Fifty-four hundredths

Question 7.

twelve hundredths

Answer:

The given Word form is:

Twelve hundredths

Now,

The representation of the Standard form for the given Word form is: 0.12

The representation of the Expanded from for the given Word form is:

0 + 0.1 + 0.02

Hence, from the above,

We can conclude that

The representation of the Standard form for the given Word form is: 0.12

The representation of the Expanded from for the given Word form is:

0 + 0.1 + 0.02

**Write the fraction or mixed number and the decimal shown by the model.**

Question 8.

Answer:

The given model is:

Now,

From the above model,

We can observe that

The number of shaded parts is: 4

The number of total parts is: 10

So,

The representation of the given model in the form of a fraction is: \(\frac{4}{10}\)

The representation of the given model in the form of a decimal number is: 0.4

Hence, from the above,

We can conclude that

The representation of the given model in the form of a fraction is: \(\frac{4}{10}\)

The representation of the given model in the form of a decimal number is: 0.4

Question 9.

Answer:

The given model is:

Now,

From the above model,

We can observe that

The number of shaded parts is: 103

The total number of parts are: 100

So,

The representation of the given model in the form of a fraction is: \(\frac{103}{100}\)

The representation of the given model in the form of a decimal number is: 1.03

Hence, from the above,

We can conclude that

The representation of the given model in the form of a fraction is: \(\frac{103}{100}\)

The representation of the given model in the form of a decimal number is: 1.03

**Use the number line to order the decimals from least to greatest.**

Question 10.

1.18, 1.21, 1.05, 1.2

Answer:

The given decimal numbers are: 1.18, 1.21, 1.05, and 1.2

Now,

The given number line is:

Now,

The representation of the given decimal numbers on the number line is:

So,

From the above number line,

We can observe that

The order of the decimal numbers from the least to the greatest is:

1.05, 1.18, 1.20, and 1.21

Hence, from the above,

We can conclude that

The order of the decimal numbers from the least to the greatest is:

1.05, 1.18, 1.20, and 1.21

Question 11.

1.43, 1.34, 1.4, 1.3

Answer:

The given decimal numbers are: 1.43, 1.34, 1.4, and 1.3

Now,

The given number line is:

Now,

The representation of the given decimal numbers on the number line is:

So,

From the above number line,

We can observe that

The order of the decimal numbers from the least to the greatest is:

1.3, 1.34, 1.4, and 1.43

Hence, from the above,

We can conclude that

The order of the decimal numbers from the least to the greatest is:

1.3, 1.34, 1.4, and 1.43

**Fill in the bubble completely to show your answer.**

Question 12.

Ken’s turtle competed in a 0.50-meter race. His turtle had traveled \(\frac{49}{100}\) meter when the winning turtle crossed the finish line. What is \(\frac{49}{100}\) written as a decimal?

(A) 0.09

(B) 0.49

(C) 0.40

(D) 4.90

Answer:

It is given that

Ken’s turtle competed in a 0.50-meter race. His turtle had traveled \(\frac{49}{100}\) meter when the winning turtle crossed the finish line

Now,

The representation of \(\frac{49}{100}\) in the form of a decimal is: 0.49

Hence, from the above,

We can conclude that

The representation of \(\frac{49}{100}\) in the form of a decimal is:

Question 13.

Alex lives eight-tenths mile from Sarah. What are eight-tenths written as a decimal?

(A) 8.0

(B) 80.0

(C) 0.8

(D) 0.08

Answer:

It is given that

Alex lives eight-tenths mile from Sarah

So,

The representation of eight-tenths in the form of a decimal is: 0.8

Hence, from the above,

We can conclude that

The representation of eight-tenths in the form of a decimal is:

Question 14.

Which shows the decimals in order from greatest to least? You can use place value or a number line on your MathBoard.

(A) 4.67, 4.56, 4.55, 4.6

(B) 4.67, 4.6, 4.56, 4.55

(C) 4.55, 4.6, 4.67, 4.56

(D) 4.6, 4.55, 4.56,4.67

Answer:

The order of the decimal numbers from the greatest to the least is:

Question 15.

Elaine found the following in her pocket. Allow much money was in Elaine’s pocket?

(A) $1.45

(B) $1.30

(C) $1.40

(D) $1.04

Answer:

It is given that

Elaine found the following in her pocket

Now,

The given amount of money is:

Now,

From the above,

We can observe that

The total amount of money Elaine has = (1 × $1) + (1 × $0.25) + (2 × $0.1)

= $1 + $0.25 + $0.2

= $1.45

Hence, from the above,

We can conclude that

The total amount of money Elaine has is:

Question 16.

Which fraction and decimal are shown by the point on the number line?

(A) \(\frac{1}{10}\); 0.1

(B) \(\frac{7}{10}\); 0.7

(C) \(\frac{4}{10}\); 0.4

(D) \(\frac{3}{10}\); 0.3

Answer:

The given number line is:

Now,

The representation of the marked point on the given number line in the form of a fraction is: \(\frac{3}{10}\)

The representation of the marked point on the given number line in the form of a decimal is: 0.3

Hence, from the above,

We can conclude that

The fraction and decimal are shown by the point on the number line are:

Question 17.

Which fraction and decimal are shown by the point on the number line?

(A) \(\frac{57}{100}\); 0.57

(B) \(\frac{73}{100}\); 0.73

(C) \(\frac{86}{100}\); 0.86

(D) \(\frac{37}{100}\); 0.37

Answer:

The given number line is:

Now,

The representation of the marked point on the given number line in the form of a fraction is: \(\frac{73}{100}\)

The representation of the marked point on the given number line in the form of a decimal is: 0.73

Hence, from the above,

We can conclude that

The fraction and decimal are shown by the point on the number line are: