Eureka Math Grade 2 Module 2 Lesson 7 Answer Key (2024)

Engage NY Eureka Math 2nd Grade Module 2 Lesson 7 Answer Key

Eureka Math Grade 2 Module 2 Lesson 7 Sprint Answer Key

A. Subtraction.

Question 1.
3 – 1 =
Answer:
3 – 1 = 2,

Explanation:
Subtracting 1 from 3 we will get 2.

Question 2.
13 – 1 =
Answer:
13 – 1 = 12,

Explanation:
Subtracting 1 from 13 we will get 12.

Question 3.
23 – 1 = 22
Answer:
23 – 1 = 22,

Explanation:
Subtracting 1 from 23 we will get 22.

Question 4.
53 – 1 = 52
Answer:
53 – 1 = 52,

Explanation:
Subtracting 1 from 53 we will get 52.

Question 5.
4 – 2 = 2
Answer:
4 – 2 = 2,

Explanation:
Subtracting 2 from 4 we will get 2.

Question 6.
14 – 2 = 12
Answer:
14 – 2 = 12,

Explanation:
Subtracting 2 from 14 we will get 12.

Question 7.
24 – 2 = 22,
Answer:
24 – 2 = 22,

Explanation:
Subtracting 2 from 24 we will get 22.

Question 8.
64 – 2 = 62,
Answer:
64 – 2 = 62,

Explanation:
Subtracting 2 from 64 we will get 62.

Question 9.
4 – 3 =
Answer:
4 – 3 = 1,

Explanation:
Subtracting 3 from 4 we will get 1.

Question 10.
14 – 3 =
Answer:
14 – 3 = 11,

Explanation:
Subtracting 3 from 14 we will get 11.

Question 11.
24 – 3 =
Answer:
24 – 3 = 21,

Explanation:
Subtracting 3 from 24 we will get 21.

Question 12.
74 – 3 =
Answer:
74 – 3 = 71,

Explanation:
Subtracting 3 from 74 we will get 71.

Question 13.
6 – 4 =
Answer:
6 – 4 = 2,

Explanation:
Subtracting 4 from 6 we will get 2.

Question 14.
16 – 4 =
Answer:
16 – 4 = 12,

Explanation:
Subtracting 4 from 16 we will get 12.

Question 15.
26 – 4 =
Answer:
26 – 4 = 22,

Explanation:
Subtracting 4 from 26 we will get 22.

Question 16.
96 – 4 =
Answer:
96 – 4 = 92,

Explanation:
Subtracting 4 from 96 we will get 92.

Question 17.
7 – 5 =
Answer:
7 – 5 = 2,

Explanation:
Subtracting 5 from 7 we will get 2.

Question 18.
17 – 5 =
Answer:
17 – 5 = 12,

Explanation:
Subtracting 5 from 17 we will get 12.

Question 19.
27 – 5 =
Answer:
27 – 5 = 22,

Explanation:
Subtracting 5 from 27 we will get 22.

Question 20.
47 – 5 =
Answer:
47 – 5 = 42,

Explanation:
Subtracting 5 from 47 we will get 42.

Question 21.
43 – 3 =
Answer:
43 – 3 = 40,

Explanation:
Subtracting 3 from 43 we will get 40.

Question 22.
87 – 7 =
Answer:
87 – 7 = 80,

Explaination:
Subtracting 7 from 87 we will get 80.

Question 23.
8 – 7 =
Answer:
8 – 7 = 1,

Explanation:
Subtracting 7 from 8 we will get 1.

Question 24.
18 – 7 =
Answer:
18 – 7 = 11,

Explanation:
Subtracting 7 from 18 we will get 11.

Question 25.
58 – 7 =
Answer:
58 – 7 = 51,

Explanation:
Subtracting 7 from 58 we will get 51

Question 26.
62 – 2 =
Answer:
62 – 2 = 60,

Explanation:
Subtracting 2 from 62 we will get 60

Question 27.
9 – 8 =
Answer:
9 – 8 = 1,

Explanation:
Subtracting 8 from 9 we will get 1.

Question 28.
19 – 8 =
Answer:
19 – 8 = 11,

Explanation:
Subtracting 8 from 19 we will get 11.

Question 29.
29 – 8 =
Answer:
29 – 8 = 21,

Explanation:
Subtracting 8 from 29 we will get 21.

Eureka Math Grade 2 Module 2 Lesson 7 Problem Set Answer Key

Measure each set of lines with one small paper clip,
using mark and move forward. Measure each set of lines
in centimeters using a ruler.

Question 1.
Line A ____________________
Line B ____________________
a. Line A
___3__ paper clips ___9__ cm
Answer:
3 paper clips, 9 cm,

Explanation:
Line A has 3 paper clips and measures 9 cm.

b. Line B
__2___ paper clips __6_ cm
Answer:
2 paper clips, 6 cm,

Explanation:
Line B has 2 paper clips and measures 6 cm.

c. Line B is about __1___ paper clips shorter than Line A.
Answer:
Line B is about 1 paper clips shorter than Line A,

Explanation:
As Line A is 3 paper clips, Line B is 2 paper clips,
So Line B is about 3 – 2 = 1 paper clips shorter than Line A.

d. Line A is about __3__ cm longer than Line B.
Answer:
Line A is about 3 cm longer than Line B,

Explanation:
As Line A is 9 cm and Line B is 6 cm,
So Line A is about 9- 6 = 3 cm longer than Line B.

Question 2.
____________________ Line L
______________ Line M
a. Line L
__3___ paper clips __9___ cm
Answer:
3 paper clips, 9 cm,

Explanation:
Line L has 3 paper clips and measures 9 cm.

b. Line M
__1__ paper clips __3___ cm
Answer:
1 paper clips, 3 cm,

Explanation:
Line M has 1 paper clip and measures 3 cm.

c. Line L is about __2___ paper clips longer than Line M.
Answer:
Line L is about 2 paper clips longer than Line M,

Explanation:
As Line L is 3 paper clips and Line M is 1 paper clips,
Line L is about 3 – 1 = 2 paper clips longer than Line M.

d. Line M doubled is about __3___ cm shorter than Line L.
Answer:
Line M doubled is about 3 cm shorter than Line L,

Explanation:
As Line M is 3 cm and Line L is 9 cm and
Line M is doubled so it is 6 cm now
Line M doubled is about 9 – 6 = 3 cm shorter than Line L.

Question 3.
Draw a line that is 6 cm long and another line below it that is 15 cm long.
Label the 6 cm line C and the 15 cm line D.

Explanation:
Drawn a line that is 6 cm long and another line below
it that is 15 cm long. Labeled the 6 cm line C and
the 15 cm line D as shown above.

a. Line C Line D
__2___ paper clips ___5__ paper clips
Answer:
Line C is 2 paper clips,
Line D is 5 paper clips,

Explanation:
As shown Line C is 2 paper clips and
Line D is 5 paper clips.

b. Line D is about __9___ cm longer than Line C.
Answer:
Line D is about 9 cm longer than Line C,

Explanation:
As Line C is 6 cm and Line D is 15 cm,
So Line D is about 15 – 6 = 9 cm longer than Line C.

c. Line C is about __3___ paper clips shorter than Line D.
Answer:
Line C is about 3 paper clips shorter than Line D,

Explanation:
As Line C is 2 paper clips and Line D is 5 paper clips,
So Line C is about 3 paper clips shorter than Line D.

d. Lines C and D together are about __7__ paper clips long.
Answer:
Lines C and D together are about 7 paper clips long,

Explanation:
As Line C is 2 paper clips and Line D is 5 paper clips,
Lines C and D together are about 2 + 5 = 7 paper clips long.

e. Lines C and D together are about __21___ centimeters long.
Answer:
Lines C and D together are about 21 centimeters long,

Explanation:
As Line C is 6 cm and Line D is 15 cm,
So Lines C and D together are about 21 centimeters long.

Question 4.
Christina measured Line F with quarters and Line G with pennies.

Line F is about 6 quarters long. Line G is about 8 pennies long. Christina said Line G is longer because 8 is a bigger number than 6.
Explain why Christina is incorrect.
______________________________________________________________
______________________________________________________________
Answer:
Christiana is wrong,

Explanation:
Christiana is wrong because even though line f is only 6
quaters long size of quater is bigger than pennies.
So Christiana is wrong.

Eureka Math Grade 2 Module 2 Lesson 7 Exit Ticket Answer Key

Measure the lines with small paper clips and then with a
centimeter ruler. Then, answer the questions below.

Line 1 ______________________________
Line 2 ______________________________
Line 3 ______________________________

a. Line 1
___5__ paper clips __15___ cm
Answer:
Line 1 is 5 paper clips 15 cm,

Explanation:
As shown in the picture Line 1 is
5 paper clips 15 cm long.

b. Line 2
__3__ paper clips __9___ cm
Answer:
Line 2 is 3 paper clips 9 cm,

Explanation:
As shown in the picture Line 2 is
3 paper clips 9 cm long.

c. Line 3
__4__ paper clips __12___ cm
Answer:
Line 3 is 4 paper clips 12 cm,

Explanation:
As shown in the picture Line 3 is
4 paper clips 12 cm long.

Explain why each measurement required more
centimeters than paper clips.
_____________________________________________________________
_____________________________________________________________
_____________________________________________________________
Answer:
Paper clips are already 3 cm long,

Explanation:
Each measurement requires more
centimeters than paper clips because
paper clips are already 3 cm long.

Eureka Math Grade 2 Module 2 Lesson 7 Homework Answer Key

Question 1.
_________________________ Line Z
a. Line Z
___4__ paper clips __12___ cm
Answer:
Line Z is 4 paper clips 12 cm,

Explanation:
As shown above Line Z is 4 paper clips and
12 cm long.

b. Line Z doubled would measure about __8__ paper clips or
about __24___ cm long.
Answer:
Line Z doubled would measure about 8 paper clips or
about 24 cm long,

Explanation:
If Line Z is doubled then it would measure about 4 + 4 =
8 paper clips and about 12 + 12 = 24 cm long.

Question 2.
_________________________ Line A
_______________ Line B
a. Line A
__5___ paper clips __15___ cm
Answer:
Line A is 5 paper clips, 15 cm,

Explanation:
As shown above Line A has 5 paper clips and 15 cm long.

b. Line B
__3___ paper clips __9___ cm
Answer:
Line B is 3 paper clips, 9 cm,

Explanation:
As shown above Line B has 3 paper clips and
9 cm long.

c. Line A is about ___2__ paper clips longer than Line B.
Answer:
Line A is about 2 paper clips longer than Line B,

Explanation:
Line A is 5 paper clips and Line B is 3 paper clips,
Line A is about 5 – 3 = 2 paper clips longer than Line B.

d. Line B doubled is about __3___ cm shorter than Line A.
Answer:
Line B doubled is about 3 cm shorter than Line A,

Explanation:
As Line A is 15 cm and Line B is 9 cm,
Line B doubled is about 18 – 15 = 3 cm shorter than Line A.

Question 3.
Draw a line that is 9 cm long and another line below it that is 12 cm long.
Label the 9 cm line F and the 12 cm line G.

Explanation:
Drawn a line that is 9 cm long and another line
below it that is 12 cm long.
Labeled the 9 cm line F and the 12 cm line G as shown above.
a. Line F Line G
__3__ paper clips __4___ paper clips
Answer:
Line F is 3 paper clips and Line G is 4 paper clips,

Explanation:
As shown above Line F is 3 paper clips and Line G is 4 paper clips.

b. Line G is about __3___ cm longer than Line F.
Answer:
Line G is about 3 cm longer than Line F,

Explanation:
As Line F is 9 cm and Line G is 12 cm,
So Line G is about 12 – 9 = 3 cm longer than Line F.

c. Line F is about __1___ paper clips shorter than Line G.
Answer:
Line F is about 1 paper clips shorter than Line G,

Explanation:
As Line F is 3 paper clips and Line G is 4 paper clips,
So Line F is about 4 – 3 = 1 paper clips shorter than Line G.

d. Lines F and G are about __7___ paper clips long.
Answer:
Lines F and G are about 7 paper clips long,

Explanation:
As Line F is 3 paper clips and Line G is 4 paper clips,
Lines F and G are about 3 + 4 = 7 paper clips long.

e. Lines F and G are about __21___ centimeters long.
Answer:
Lines F and G are about 21 centimeters long,

Explanation:
As Line F is 9 cm and Line G is 12 cm,
Lines F and G are about 9 + 12 = 21 centimeters long.

Question 4.
Jordan measured the length of a line with large paper clips.
His friend measured the length of the same line with small paper clips.

a. About how many paper clips did Jordan use?
__4___ large paper clips
Answer:
About 4 larger paper clips did Jordan used,

Explanation:
As shown in the picture if we see there are about
4 larger paper clips did Jordan used.

b. About how many small paper clips did his friend use?
__6___ small paper clips
Answer:
About 6 small paper clips did his friend used,

Explanation:
As shown in the picture if we see there are about
6 small paper clips did Jordan’s friend used.

c. Why did Jordan’s friend need more paper clips to
measure the same line as Jordan?
________________________________________________________
________________________________________________________
Answer:
Jordan’s friend need more paper clips due to smaller size,

Explanation:
Jordan’s friend need more paper clips to
measure the same line as Jordan because
Jordan’s friend has used smaller clips than Jordan
thats why Jordan’s freind need more clips and
Jordan has used larger clips to measure the same.