Engage NY Eureka Math 2nd Grade Module 7 End of Module Assessment Answer Key
Eureka Math Grade 2 Module 7 End of Module Assessment Answer Key
Note: Do not pass out rulers until after students complete Problem 1(a).
Question 1.
a.
Estimate the length of each item in inches.
The envelope is about ____ inches.
Answer:
The envelope is aboutÂ 3.82 Â inches.
The pencil is about ____ inches
Answer:
The pencil is about 5.7 Â inches.
The crayon is about ____ inches.
Answer:
The crayon is about 3.07 Â inches.
The scissors are about ____ inches.
Answer:
The scissors is about 4.9 Â inches.
b. Use a ruler to measure the length of the items above using inches and then centimeters. Round to the nearest unit, and then record the measurements in the table.
Envelope |
Pencil | Crayon |
Scissors |
______ inches
______ centimeters |
______ inches
_____ centimeters |
______ inches
______ centimeters |
______ inches
______ centimeters |
Answer:
Envelope |
Pencil | Crayon |
Scissors |
3.8 inches
10 centimeters |
5.7Â inches
15 centimeters |
3.07Â inches
8 centimeters |
4.88 inches
13 centimeters |
Envelope
The envelope is aboutÂ 3.81 inches.
ConvertingÂ 3.81 inches into cm
3.81 in Ã· 0.3937 = 9.7 cm
Rounding to the nearest cm = 10 cm
The envelope is about 10 cm.
Pencil
The pencil is about 5.70 inches.
ConvertingÂ 5.70 inches into cm
5.70 in Ã· 0.3937 = 14.5 cm
Rounding to the nearest cm = 15 cm
The envelope is about 15 cm.
Crayon
The Crayon is about 3.07 inches.
ConvertingÂ 3.07 inches into cm
3.07 in Ã· 0.3937 = 7.8 cm
Rounding to the nearest cm = 8 cm
The envelope is about 8 cm.
Scissor
The envelope is aboutÂ 4.88 inches.
ConvertingÂ 4.88 inches into cm
4.88 in Ã· 0.3937 = 12.4 cm
Rounding to the nearest cm = 12.4 cm
The envelope is about 13 cm.
c. The envelope is ______ centimeters longer than the crayon.
Answer:
Length of envelope = 10 cm
Length of Crayon = 8 cm
Difference in length = 10 cm – 8 cm = 2 cm
The envelope isÂ 2 centimeters longer than the crayon.
d. For each measurement, which is greater, the number of inches or the number of centimeters?
Answer:
For the given measurement number of centimeters are greater than inches.
e. Explain why.
Answer:
When converting from a larger to a smaller unit, you will always have more of the smaller units. When converting from a smaller to a larger unit, you will always have fewer of the larger units. A centimeter is smaller than an inch, so a given length will have more centimeters than inches.
Question 2.
Circle the appropriate tool for measuring each object.
a. The length of a book:Â Â Â Â Â 12-inch rulerÂ Â Â Â yardstick
Answer:
b. The height of a flagpole:Â Â 12-inch rulerÂ Â Â Â yardstick
Answer:
c. The length of a paper clip: 12-inch rulerÂ Â Â Â yardstick
Answer:
d. The height of a doorway:Â 12-inch rulerÂ Â Â Â Â yardstick
Answer:
Question 3.
a. What number is represented as Point A on the number line?
Answer:
b. What is the distance between A and B?
Answer:
c. What is 40 less than the number marked by Point C? Mark it as Point D on the number line.
Answer:
Question 4.
Use the tables below to graph the data.
a. Draw and label a line plot to show the length of the pencils in the table.
Length in Inches | Number of Pencils |
1 inch | 0 |
2 inches | 2 |
3 inches | 4 |
4 inches | 4 |
5 inches | 3 |
6 inches | 2 |
7 inches | 5 |
Answer:
b. Find the total number of pencils measured.
Answer:
c. Draw and label a bar graph to show the number of pencils in each studentâ€™s desk.
Student Name | Jill | Sven | Rocco | Lyla |
Number of Pencils | 4 | 2 | 5 | 1 |
Title: __________
Answer:
Question 5.
Draw a picture, and write a number sentence to solve.
a. The height of the dogâ€™s doorway is 19 inches. The height of the familyâ€™s doorway is 78 inches. How much taller is the familyâ€™s doorway than the dogâ€™s doorway?
Answer:
b. Albert saved 42 cents last week. This week, he added a quarter, 2 dimes, and 13 pennies to his savings. How much money has Albert saved from the last two weeks? Write the answer using the $ or Â¢ symbol.
Answer: