Refer to our Texas Go Math Grade 7 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 7 Module 4 Answer Key Proportionality in Geometry.

## Texas Go Math Grade 7 Module 4 Answer Key Proportionality in Geometry

**Texas Go Math Grade 7 Module 4 Are You Ready? Answer Key**

**Write each fraction in simplest form.**

Question 1.

\(\frac{25}{30}\) ___________

Answer:

Simplify . \(\frac{25}{30}\)

1. List all the factors of the numerator and denominator.

2. Circle the greatest common factor (GCF).

3. Divide the numerator and denominator by the GCF.

25: 1, , 25

30: 1, 2, 3, , 6, 10, 15, 30

\(\frac{25 \div 5}{30 \div 5}\) = \(\frac{5}{6}\)

Question 2.

\(\frac{27}{36}\) ___________

Answer:

Simplify . \(\frac{27}{36}\)

1. List all the factors of the numerator and denominator.

2. Circle the greatest common factor (GCF).

3. Divide the numerator and denominator by the GCF.

27: 1, 3, , 27

36: 1, 2. 3, 4, 6, , 12, 18, 36

\(\frac{27 \div 9}{36 \div 9}\) = \(\frac{3}{4}\)

Question 3.

\(\frac{14}{19}\) ___________

Answer:

Simiplify \(\frac{14}{19}\)

1. List ail the factors of the numerator and denominator.

2. Circle the greatest common factor (GCF).

3. Divide the numerator and denominator by the GCF.

14: 1, , 7, 14

16: 1, , 4, 8, 16

\(\frac{14 \div 2}{16 \div 2}\) = \(\frac{7}{8}\)

Question 4.

\(\frac{15}{45}\) ___________

Answer:

Simplify \(\frac{15}{45}\)

1. List ail the factors of the nuiiiera.tor and denominator.

2. Circle the greatest common factor (GCF).

3. Divide the numerator anti denominator by the GCF.

15: 1. 3, 5,

30: 1. 3, 5. 9, , 45

\(\frac{15 \div 15}{45 \div 15}\) = \(\frac{1}{3}\)

**Write each fraction as a decimal.**

Question 5.

\(\frac{4}{5}\) ________

Answer:

Use long division to write the fraction as a decimal:

Question 6.

\(\frac{3}{8}\) __________

Answer:

Use long division to write the fraction as a decimal:

Question 7.

\(\frac{15}{16}\) ____________

Answer:

Use long division to write the fraction as a decimal:

Question 8.

\(\frac{13}{20}\) ____________

Answer:

Use long division to write the fraction as a decimal:

**Find the area of each rectangle.**

Question 9.

l = 10 cm, w = 4cm __________

Answer:

A = l × w

A = 10 × 4

A = 40 cm^{2}

Question 10.

l = 14 in., w = 9.5 in. ________

Answer:

A = l × w

A = 14 × 9.5

A = 133 in.^{2}

Question 11.

l = 0.7cm, w = 0.35cm _______

Answer:

A = l × w

A = 0.7 × 0.35

A = 0.245 cm^{2}

Question 12.

l = \(\frac{2}{3}\) yd, w = \(\frac{1}{2}\) yd ___________

Answer:

A = l × w

A = \(\frac{2}{3}\) × \(\frac{1}{2}\)

A = \(\frac{1}{3}\) yd^{2}

**Texas Go Math Grade 7 Module 4 Reading Start-Up Answer Key**

**Visualize Vocabulary**

Use the ✓ words to complete the graphic. You may put more than one word on each line.

**Understand Vocabulary**

**Complete the sentences using the preview words.**

Question 1.

What is a proportional two-dimensional drawing of an object? ______________________

Answer:

A proportional two-dimensional drawing of an object is scale drawing.

Question 2.

What is the distance around a circle? ______________________

Answer:

The distance around a circle is circumference.

Question 3.

What is a line segment that passes through the center of a circle and has both endpoints on the circle? _______________________

Answer:

A line segment that passes through the center of a circle and has both endpoints on the circle is diameter.

**Active Reading**

Key-Term Fold Before beginning the module, create a key-term fold to help you learn the vocabulary in this module. Write each highlighted vocabulary word on one side of a flap. Write the definition for each word on the other side of the flap. Use the key-term fold to quiz yourself on the definitions in this module.