Engage NY Eureka Math 2nd Grade Module 2 Lesson 10 Answer Key
Eureka Math Grade 2 Module 2 Lesson 10 Problem Set Answer Key
Use the RDW process to solve. Draw a tape diagram for each step.
Problem 1 has been started for you.
Question 1.
Maura’s ribbon is 26 cm long. Colleen’s ribbon is 14 cm shorter
than Maura’s ribbon. What is the total length of both ribbons?
Step 1: Find the length of Colleen’s ribbon.
Step 2: Find the length of both ribbons.
Answer:
The length of Colleen’s ribbon is 12 cm,
Explanation:
Maura’s ribbon is 26 cm long, Colleen’s ribbon is
14 cm shorter than Maura’s ribbon so colleen’s ribbon
length is 26 – 14 =12 cm as shown above.
The length of both ribbons is 38 cm,
Explanation:
Maura’s ribbon is 26 cm long, Colleen’s ribbon is
12 cm so the total length of both ribbons is
26 + 12 = 38 cm as shown above.
Question 2.
Jesse’s tower of blocks is 30 cm tall. Sarah’s tower is 9 cm
shorter than Jessie’s tower.
What is the total height of both towers?
Step 1: Find the height of Sarah’s tower.
Step 2: Find the height of both towers.
Answer:
Step 1:
The height of Sarah’s tower is 21 cm,
Explanation:
Given Jesse’s tower of blocks is 30 cm tall and
Sarah’s tower is 9 cm shorter than Jessie’s tower,
So Sarah’s tower is 30 – 9 = 21 cm tall.
Step 2 :
The height of both towers is 51 cm tall,
Explanation:
Jesse’s tower of blocks is 30 cm tall and
Sarah’s tower is 21 cm tall, So the height
of both towers is 30 + 21 = 51 cm tall.
Question 3.
Pam and Mark measured the distance around each other’s wrists.
Pam’s wrist measured 10 cm. Mark’s wrist measured 3 cm
more than Pam’s. What is the total length around all
four of their wrists?
Step 1: Find the distance around both Mark’s wrists.
Step 2: Find the total measurement of all four wrists.
Answer:
The distance around both Mark’s wrists is 26 cm,
Explanation:
Pam and Mark measured the distance around each other’s wrists.
Pam’s wrist measured 10 cm. Mark’s wrist measured 3 cm
more than Pam’s. So the distanc around Mark’s wrists is 13 cm
and Mark’s both wrists is 13 + 13 = 26 cm,
The total measurement of all four wrists is 46 cm,
As Pam wrist measures 10 cm and mark’s wrist is 13 cm,
So the total measurement of all four wrists is
10 + 10 + 13 + 13 = 46 cm.
Eureka Math Grade 2 Module 2 Lesson 10 Exit Ticket Answer Key
Steven has a black leather strip that is 13 centimeters long.
He cut off 5 centimeters. His teacher gave him a brown leather
strip that is 16 centimeters long.
What is the total length of both strips?
Answer:
The total length of both stips is 24 cm,
Explanation:
Given Steven has a black leather strip that is 13 centimeters long.
He cut off 5 centimeters so Steven has now 13 – 5 = 8 centimeters
long strip, His teacher gave him a brown leather strip that is
16 centimeters long. So the total length of both strips is
8 + 16 = 24 centimeters.
Eureka Math Grade 2 Module 2 Lesson 10 Homework Answer Key
Use the RDW process to solve. Draw a tape diagram for each step.
Problem 1 has been started for you.
Question 1.
There is 29 cm of green ribbon. A blue ribbon is 9 cm shorter
than the green ribbon. How long is the blue ribbon?
Step 1: Find the length of blue ribbon.
Step 2: Find the length of both the blue and green ribbons.
Answer:
The length of blue ribbon is 20 cm,
Explanation:
Given there is 29 cm of green ribbon. A blue ribbon
is 9 cm shorter than the green ribbon.
So long is the blue ribbon 29 -9 = 20 cm.
The length of both the blue and green ribbons is 49 cm,
The length of blue ribbon is 20 cm and green
ribbon is 29 cm, So the length of both the blue and
green ribbons is 29 +20 = 49 cm.
Question 2.
Joanna and Lisa drew lines. Joanna’s line is 41 cm long.
Lisa’s line is 19 cm longer than Joanna’s. How long are
Joanna’s and Lisa’s lines?
Step 1: Find the length of Lisa’s line.
Step 2: Find the total length of their lines.
Answer:
The length of Lisa’s line is 60 cm long,
Explanation:
Joanna and Lisa drew lines. Joanna’s line is 41 cm long.
Lisa’s line is 19 cm longer than Joanna’s.
The length of Lisa’s line is 41 + 19 = 60 cm,
Long are Joanna’s and Lisa’s lines Joanna’s 41 cm and
Lisa’s 60 cm, Both total length is 101 cm,
Total length of Joanna’s and Lisa’s is 41 + 60 = 101 cm.