Finding the sum
Word Problems
Find the Difference
Try this
Surprise!
100
43 + 27=
70
100
In Mr. Kane's class, students earned stickers
for answering questions. The number of
stickers some students earned are shown on
this chart.
How many stickers did Tim and Lee
earn in all?
12
100
15+___=23
a. 8
b. 38
c. 12
a. 8
100
Determine the unknown number that makes
the equation true.
45 + 12 = 38+ ?
a. 26
b. 19
c. 57
b. 19
100
Jessie wants to write expressions that are
equal to 36 + 42. She wrote these three
expressions.
A. 3 + 6 + 4 + 2
B. 30 + 6 + 40 + 2
C. 42 + 36
Which of Jessie’s expressions means the same
as 36 + 42?
ⓐ A
ⓑ B
ⓒ C
B and C
200
Graham had 45 baseball cards in his
collection. He bought 23 more at his
neighbor’s yard sale. How many baseball
cards does Graham have now?
Draw a picture to help you solve this
problem.
68
200
Mr. James’ class collected 22 books for the
book drive. Mrs. Kim’s class collected 59
books for the book drive. How many more books did Mrs. Kim’s class collect than Mr. James’ class?
b.37
c.27
b. 37
200
75-38=
37
200
Determine the unknown number that makes
the equation true.
18 − 4 = 12+ ?
ⓐ 2
ⓑ 14
ⓒ 8
a. 2
200
Select all equations that are true.
a. 6+7= 13
b. 3+7=13
c. 11-3= 8
d. 19-9= 28
e. 9+8= 17
a
c
e
300
53 + 28 + 15=
96
300
There are 37 boys and 45 girls in second
grade at Jenna’s school Exactly 40 of those
students went to the library before lunch.
The rest of the students went to the library
after lunch. What was the total number of
second grade students who went to the
library after lunch?
a. 82
b.42
c. 122
b.42
300
Find the solution to the difference between
72 and 15.
a. 57
b. 87
c. 63
a. 57
300
Leslie was adding 31 + 22. She used this
equation to find the sum.
30 + 20 + 1 + 2 = _______
Why will Leslie’s equation work to find the
sum?
ⓐ because 3 tens equal 31 an 2 tens equal
22
ⓑ because 30 is close to 31 and 20 is close
to 22
ⓒ because 30 plus 1 equals 31 and 20 plus 2
equals 22
ⓒ because 30 plus 1 equals 31 and 20 plus 2
equals 22
300
Anna had 72 tickets for the carnival rides. She
used 10 tickets for the roller coaster and 12
tickets for the rocket ride. How many tickets
does Anna have now?
Write an equation to represent your work.
10+12=22
72-22= 50
400
A store has 70 sweaters for sale. There are
28 blue sweaters and 26 green sweaters. The
rest of the sweaters are red. What is the
total number of red sweaters the store has
for sale?
a. 26
b. 16
c.98
b. 16
400
Determine the unknown number that makes
the equation true.
? +15 = 28 − 2
ⓐ 26
ⓑ 11
ⓒ 13
b. 11
400
Macon, Parker, and Carson made sandwiches
for a picnic. When they put all of the
sandwiches in the cooler, there were 52
sandwiches. Macon knows that he made 21
and Parker made 15. How many sandwiches
did Carson make?
Write an equation to represent your work.
36+____=52
52-36=____
Carson made 16 sandwiches