Engage NY Eureka Math 2nd Grade Module 2 Lesson 2 Answer Key
Eureka Math Grade 2 Module 2 Lesson 2 Problem Set Answer Key
Find the length of each object using one centimeter cube.
Mark the endpoint of each centimeter cube as you measure.
Question 1.
The picture of the eraser is about __4__ centimeters long.
Answer:
The picture of the eraser is about 4 centimeters long,
Explanation:
As shown in the picture above the eraser is 4 centimeters long.
Question 2.
The picture of the calculator is about __6__ centimeters long.
Answer:
The picture of the calculator is about 6 centimeters long,
Explanation:
As shown in the picture the calculator is about 6 centimeters long.
Question 3.
The length of the picture of the envelope is about ___10___ centimeters.
Answer:
The length of the picture of the envelope is about 10 centimeters,
Explanation:
As shown above the length of the picture of the envelope is
about 10 centimeters.
Question 4.
Jayla measured her puppet’s legs to be 23 centimeters long.
The stomach is 7 centimeters long, and the neck and head
together are 10 centimeters long. What is the total length of the puppet?
Answer:
The total length of the puppet is 40 centimeters,
Explanation:
Given Jayla measured her puppet’s legs to be 23 centimeters long.
The stomach is 7 centimeters long, and the neck and head
together are 10 centimeters long.
Therefore the total length of the puppet is
23 + 7 + 10 = 40 centimeters.
Question 5.
Elijah begins measuring his math book with his centimeter cube.
He marks off where each cube ends. After a few times, he decides
this process is taking too long and starts to guess where the cube
would end and then mark it.
Explain why Elijah’s answer will be incorrect.
____________Elijah’s answer is incorrect,_______________
________________________________________________________
Answer:
Elijah’s answer is incorrect,
Explanation:
Elijah’s answer is incorrect, why because not every
space is exactly one centimeter cube. So Elijah guess
work is incorrect.
Eureka Math Grade 2 Module 2 Lesson 2 Exit Ticket Answer Key
Matt measured his index card using a centimeter cube.
He marked the endpoint of the cube as he measured.
He thinks the index card is 10 centimeters long.
a. Is Matt’s work correct? Explain why or why not.
______Yes Matt’s work is correct,_____
_____________________________________________
_____________________________________________
Answer:
Yes, Matt’s work is correct,
Explanation:
Given Matt measured his index card using a centimeter cube.
He marked the endpoint of the cube as he measured.
He thinks the index card is 10 centimeters long, Yes Matt
is correct why because if we count he exactly measured 10
centimeters so Matt is correct.
b. If you were Matt’s teacher what would you tell him?
_____________________________________________
_____________________________________________
_____________________________________________
Answer:
I would tell him his measuring method is correct,
Explanation:
If I were Matt’s teacher I would you tell him that his method
of measuring index card using a centimeter cube and
marking the endpoint of the cube as he measured is correct.
Eureka Math Grade 2 Module 2 Lesson 2 Homework Answer Key
Use the centimeter square at the bottom of the next page to
measure the length of each object. Mark the endpoint of the
square as you measure.
Question 1.
The picture of the glue is about ___4_____ centimeters long.
Answer:
The picture of the glue is about __4__ centimeters long,
Explanation:
As shown the picture of the glue is about 4 centimeters long.
Question 2.
The picture of the lollipop is about ___6____ centimeters long.
Answer:
The picture of the lollipop is about 6 centimeters long,
Explanation:
As shown above the picture of the lollipop is about
5 centimeters long.
Question 3.
The picture of the scissors is about ___5_____ centimeters long.
Answer:
The picture of the scissors is about ___5_____ centimeters long,
Explanation:
As shown the picture of the scissors is about 5 centimeters long.
Question 4.
Samantha used a centimeter cube and the mark and move
forward strategy to measure these ribbons. Use her work to
answer the following questions.
a. How long is the red ribbon? _____10_____ centimeters long.
Answer:
The red ribbon is 10 centimeters long,
Explanation:
Samantha used a centimeter cube and the marker and moved
forward strategy to measure, So the red ribbon is
10 centimeters long.
b. How long is the blue ribbon? _____7______ centimeters long.
Answer:
Blue ribbon is 7 centimeters long,
Explanation:
Samantha used a centimeter cube and the marker and moved
forward strategy to measure, So the blue ribbon is
7 centimeters long.
c. How long is the yellow ribbon? ____5_______ centimeters long.
Answer:
The yellow ribbon is 5 centimeters long,
Explanation:
Samantha used a centimeter cube and the marker and moved
forward strategy to measure, So the yellow ribbon is
5 centimeters long.
d. Which ribbon is the longest? Red Blue Yellow
Answer:
Among the three Red ribbon is the longest,
Explanation:
As per Samantha’s measurements
red ribbon is 10 centimeters long,
blue ribbon is 7 centimeters long and
yellow ribbon is 5 centimeters long, So
among the three Red ribbon is the longest.
e. Which ribbon is the shortest? Red Blue Yellow
Answer:
Among the three Yellow ribbon is 5 centimeters and shortest,
Explanation:
As per Samantha’s measurements
red ribbon is 10 centimeters long,
blue ribbon is 7 centimeters long and
yellow ribbon is 5 centimeters long, So
among the three Yellow ribbon is the shortest.
f. The total length of the ribbons is __22___ centimeters.
Answer:
The total length of the ribbons is 22 centimeters,
Explanation:
The total length of the three ribbons are as
red ribbon is 10 centimeters long,
blue ribbon is 7 centimeters long and
yellow ribbon is 5 centimeters long,
10 + 7 + 5 = 22 centimeters.