This handy Math in Focus Grade 2 Workbook Answer Key Chapter 18 Lines and Surfaces detailed solutions for the textbook questions.
Math in Focus Grade 2 Chapter 18 Answer Key Lines and Surfaces
Math Journal
Draw a happy face using curves only.
Answer:
Explanation:
I used curves to draw a happy face.
Draw a sad face using parts of lines and curves.
Answer:
Explanation:
I used parts of lines and curves to draw a sad face.
Put On Your Thinking Cap!
Challenging practice
The shapes at the bottom of this page can be combined to make a square. Color the pieces yellow. Cut them out and paste them below to make the square.
Answer:
Chapter Review/Test
Vocabulary
Fill in the blanks with words from the box.
Question 1.
A ball has a __________ surface.
It can _________ on the ground.
Answer:
A ball has a curved surface.
It can roll on the ground.
Question 2.
A picture has a __________ surface.
You can ___________ pictures on top of each other.
Answer:
A picture has a flat surface.
You can stack pictures on top of each other.
Concepts and Skills
Circle the correct answer.
Question 3.
These are (parts of lines, curves).
Answer:
Explanation:
All the above shapes are parts of lines.
Question 4.
These are (parts of lines, curves).
Answer:
Explanation:
All the above shapes are curves.
Draw
Question 5.
A figure that has five parts of lines and three curves
Answer:
Explanation:
The figure has five parts of lines and three curves.
Question 6.
A figure that has only parts of lines
Answer:
Explanation:
The above figure has only parts of lines.
Question 7.
An object that has only curved surfaces
Answer:
Explanation:
The above object has only curved surfaces.
Question 8.
An object that has two flat surfaces and one curved surface
Answer:
Explanation:
The above object has 2 flat surfaces and 1 one curved surface.
Problem Solving
Each pattern is made of curves and straight lines. Find the pattern. Then complete the pattern.
Question 9.
Answer:
Explanation:
I drew the shape that complete the pattern
The pattern is made up of curves and straight lines.