# Texas Go Math Grade 2 Lesson 4.2 Answer Key Show Equal Parts of a Whole

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## Texas Go Math Grade 2 Lesson 4.2 Answer Key Show Equal Parts of a Whole

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Circle the shapes that show equal parts.  Explanation:
As, we learnt in the previous chapter in 4.1 about equal parts,
The above circled pictures are equally divided into halves, fourths and eighths.

HOME CONNECTION • Your child completed this sorting activity with shapes to review the concept of equal parts.
Yes, with this activities the child can easily get the concept of equal parts like,
halves, fourths and eights.

Math Talk
Mathematical Processes

Does the triangle show halves? Explain.
Yes, triangle show halves. Explanation:
If a whole is divided into 2 equal parts, each part is a Half.
A Half is obtained by dividing a whole (1) by 2.

Model and Draw

You can draw to show equal parts of a whole. Share and Show

Draw to show equal parts.

Question 1.
eighths  Explanation:
If a whole is divided into eight equal parts, each part is an Eighth.
An eighth is obtained by dividing a whole (1) by 8.

Question 2.
halves  Explanation:
If a whole is divided into 2 equal parts, each part is a Half.
A Half is obtained by dividing a whole (1) by 2.

Question 3.
fourths  Explanation:
If a whole is divided into four equal parts, each part is a FOURTH.
A fourth is obtained by dividing a whole (1) by 4.

Question 4.
halves  Explanation:
If a whole is divided into 2 equal parts, each part is a Half.
A Half is obtained by dividing a whole (1) by 2.

Question 5.
fourths  Explanation:
If a whole is divided into four equal parts, each part is a FOURTH.
A fourth is obtained by dividing a whole (1) by 4.

Question 6.
eighths  Explanation:
If a whole is divided into 8 equal parts, each part is an eighth.
An eighth is obtained by dividing a whole (1) by 8.

Problem Solving

Draw to show equal parts.

Question 7.
halves  Explanation:
If a whole is divided into 2 equal parts, each part is a Half.
A Half is obtained by dividing a whole (1) by 2.

Question 8.
fourths  Explanation:
If a whole is divided into four equal parts, each part is a FOURTH.
A fourth is obtained by dividing a whole (1) by 4.

Question 9.
eighths  Explanation:
If a whole is divided into 8 equal parts, each part is an eighth.
An eighth is obtained by dividing a whole (1) by 8.

Question 10.
eighths  Explanation:
If a whole is divided into 8 equal parts, each part is an eighth.
An eighth is obtained by dividing a whole (1) by 8.

Question 11.
halves  Explanation:
If a whole is divided into 2 equal parts, each part is a Half.
A Half is obtained by dividing a whole (1) by 2.

Question 12.
fourths  Explanation:
If a whole is divided into four equal parts, each part is a FOURTH.
A fourth is obtained by dividing a whole (1) by 4.

Question 13.
H.O.T. Colton and three friends want to share a pizza equally. Draw to show how the pizza should be divided.  Explanation:
Colton and three friends want to share a pizza equally.
So, total equal parts they want 4.
If a whole is divided into four equal parts, each part is a FOURTH.
A fourth is obtained by dividing a whole (1) by 4.

Question 14.
H.O.T. Multi-Step Whitney draws a rectangle divided into halves. Ben says that he can draw three lines on the rectangle to show eighths. Use drawings and write to explain how he could do this.   Explanation:
Whitney draws a rectangle divided into halves.
If a whole is divided into four equal parts, each part is a FOURTH.
A fourth is obtained by dividing a whole (1) by 4.
Ben draw three lines on the rectangle to show eighths.
If a whole is divided into 8 equal parts, each part is an Eighths.
An Eighth is obtained by dividing a whole (1) by 8.

Question 15.
Representations Walter cooked a pie to share with his friend. Which pie is cut into halves?  Explanation:
Walter pie represents the 2nd one from the above pies.
As, the is divided into 2 equal parts.
A half is obtained by dividing a whole (1) by 2.

Question 16.
Which shape is divided into eighths?  Explanation:
If a whole is divided into 8 equal parts, each part is an Eighths.
An Eighth is obtained by dividing a whole (1) by 8.
3rd shape is equally divided into eights.

Question 17.
Which shape is divided into fourths?  Explanation:
If a whole is divided into four equal parts, each part is a FOURTH.
A fourth is obtained by dividing a whole (1) by 4.
So, first shape is equally divided into fourths.

Question 18.
TEXAS Test Prep A piece of ribbon is cut into fourths. How many pieces of ribbon are there?
(A) 2
(B) 4
(C) 3
Option(B)
Explanation:
If a whole ribbon  is divided into four equal parts, each part is a FOURTH.
A fourth is obtained by dividing a whole (1) by 4.
So, there are 4 pieces of ribbon.

TAKE HOME ACTIVITY • Have your child explain how he or she solved one of the problems in this lesson.
Yes, children can easily explain or solve the problems in this lesson by doing numbers of questions and activities.

### Texas Go Math Grade 2 Lesson 4.2 Homework and Practice Answer Key

Draw to show equal parts.

Question 1.
fourths  Explanation:
If a whole is divided into four equal parts, each part is a FOURTH.
A fourth is obtained by dividing a whole (1) by 4.

Question 2.
eighths  Explanation:
If a whole is divided into 8 equal parts, each part is an eighth.
An eighth is obtained by dividing a whole (1) by 8.

Question 3.
halves  Explanation:
If a whole is divided into 2 equal parts, each part is a Half.
A Half is obtained by dividing a whole (1) by 2.

Question 4.
fourths  Explanation:
If a whole is divided into four equal parts, each part is a FOURTH.
A fourth is obtained by dividing a whole (1) by 4.

Problem Solving

Draw to solve.

Question 5.
Jim wants to divide his paper into 2 equal parts. Draw to show how the paper could be divided.  Explanation:
Jim wants to divide his paper into 2 equal parts.
So, he folded his paper as shown in the above picture.
If a whole is divided into 2 equal parts, each part is a Half.
A Half is obtained by dividing a whole (1) by 2.

Question 6.
Multi-Step Sue draws a rectangle divided into fourths. Kyle says that he can draw two lines on the rectangle to show eighths. Use drawings and write to explain how he could do this.   Explanation:
Sue draws a rectangle divided into fourths.
If a whole is divided into four equal parts, each part is a FOURTH.
A fourth is obtained by dividing a whole (1) by 4.
Kyle says that he can draw two lines on the rectangle to show eighths.
If a whole is divided into 8 equal parts, each part is an eighth.
An eighth is obtained by dividing a whole (1) by 8.

Lesson Check

Question 7.
Chris draws to divide a rectangle into 2 equal parts. Which could be her drawing?  Explanation:
The picture drawn by Chris is second one.
Because, when a rectangle is divided into 2 equal parts, each part is a Half.
A Half is obtained by dividing a whole (1) by 2.

Question 8.
A vegetable pizza is cut into four equal parts. What is the name of each part?
(A) a whole
(B) an eighth
(C) a fourth
Option(C) Explanation:
A vegetable pizza is cut into four equal parts, it is known as fourth.
If a whole is divided into 4 equal parts, each part is a Fourth.
A Fourth is obtained by dividing a whole (1) by 4.

Question 9.
A piece of rope is cut into eighths. How many pieces of rope are there?
(A) 8
(B) 2
(C) 6
Option(A)
Explanation: A piece of rope is cut into eighths, means whole is divided into 8 parts.
If a whole is divided into 8 equal parts, each part is an Eighth.
An Eighth is obtained by dividing a whole (1) by 4.

Question 10.
A tuna sandwich is cut into fourths. How many pieces are there?
(A) 2
(B) 4
(C) 3 