Addition: Two 2-Digit Numbers
Problem of the Day
Grade 3 Trimester 1 Set 1
Day #1
Teacher Model
Student Practice
Alexis has 83 apples and David has 37
apples. How many apples do they have
altogether?
Day #2
Teacher Model
Maria has 35 stamps and Stephanie has 25
stamps. How many stamps do they have
altogether?
Student Practice
Karen has 64 paperclips and David has 47
paperclips. How many paperclips do they
have altogether?
Day #3
Teacher Model
Kim went to an orange farm and picked 36
oranges. Steve went to the same farm and
picked 58 oranges. How many oranges do
they have altogether?
Student Practice
Josh bought 26 pieces of salt water taffy
at the candy shop. His brother Jack bought
45 pieces of the same candy. How many
pieces of salt water taffy do they have
altogether?
Day #4
Teacher Model
Marisa has 52 coins in her coin collection.
Her father gave her 79 coins to add to her
collection. How many coins does she have
altogether?
Student Practice
At Stevenson Elementary School there are
97 third grade students and 79 second
grade students. How many second and
third grade students attend Stevenson
Elementary School altogether?
Christina has 46 pencils and Becky has 58
pencils. How many pencils do they have
altogether?
Copyright © Swun Math
Grade 3 PODs – Tri 1 Set 1, Page 1
Addition: Two 3-Digit Numbers
Problem of the Day
Grade 3 Trimester 1 Set 1
Day #1
Teacher Model
Student Practice
Josh has 378 lollipops. James has 259
Roberto has 556 smelly markers and
lollipops. How many lollipops do they have Tiffany has 239 smelly markers. How many
in all?
smelly markers do they have in all?
Day #2
Teacher Model
Student Practice
Steve has 654 fruity erasers and Lani has
439 fruity erasers. How many fruity
erasers do they have in all?
Day #3
Teacher Model
Jason went to an apple farm and picked
358 apples. Kim went to the same farm
and picked 274 apples. How many apples
do they have in all?
Student Practice
Tim went to the mall and bought 409 mini
Lego pieces. His brother Joel bought 785
mini Lego pieces. How many mini Lego
pieces did they buy in all?
Day #4
Teacher Model
Misti has 472 movie ticket stubs in her
ticket collection. Her uncle gave her 629
movie ticket stubs to add to her collection.
How many movie ticket stubs does she
have in all?
Student Practice
On Monday, 297 third grade students and
312 fourth grade students attended a
special assembly. How many third and
fourth graders attended the assembly?
Nancy has 548 pennies and Teresa has 353
pennies. How many pennies do they have
in all?
Copyright © Swun Math
Grade 3 PODs – Tri 1 Set 1, Page 2
Subtraction: Two 2-Digit Numbers
Problem of the Day
Grade 3 Trimester 1 Set 1
Day #1
Teacher Model
Student Practice
Shannon collects keys. She had 49 keys in
an box. She gave away 27 keys to her
friends. How many keys does she have
left?
Day #2
Teacher Model
Sara is reading a book that is 76 pages
long. She has already read 20 pages. How
many more pages does she have left to
read?
Student Practice
The Los Angeles Lakers score an average
of 75 points per game. The Clippers score
an average of 54 points per game. How
many fewer points do the Clippers
average than the Lakers?
Day #3
Teacher Model
The Hatanaka’s farm has 38 palm trees for
sale. The Weber’s farm has 49 palm trees
available for customers to buy. How many
fewer palm trees does the Hatanaka’s
farm have than the Weber’s farm?
Student Practice
Tom has room for 20 baseball cards in his
collection folder. He has 16 cards already.
How many more cards does he need to fill
his folder?
Day #4
Teacher Model
Judy has room in her closet for 18 pairs of
shoes. She already has 11 pairs of shoes.
How many more pairs of shoes can Judy fit
in her closet?
Student Practice
Juan likes word puzzles. He bought a
puzzle book that has 45 word puzzles. He
has 23 puzzles left to complete. How many
puzzles has Juan already completed?
Edward has 24 bugs in his bug collection.
His collection box can only hold up to 57
bugs. How many more bugs does Juan
need to complete his collection?
Copyright © Swun Math
Grade 3 PODs – Tri 1 Set 1, Page 3
Subtraction: Two 3-Digit Numbers
Problem of the Day
Grade 3 Trimester 1 Set 1
Day #1
Teacher Model
Student Practice
Last year 386 people attended the musical
concert. This year 898 people attended
the concert. What was the difference in
attendance for this year’s concert from
last year’s?
Day #2
Teacher Model
Last spring 856 people traveled to Utah by
airplane. In the summer, 389 people made
the same trip. What is the difference in
the number of people people who
traveled during these two seasons?
Student Practice
In the fall, Alex flew 286 total miles on a
plane. In the winter he flew 592 total
miles on a plane. How many fewer miles
did Alex fly in the fall than in the winter?
Day #3
Teacher Model
Peter’s hamburger stand sold 854 burgers
last year. His friend Nathan’s hamburger
stand sold 756 burgers last year. How
many fewer burgers did Nathan sell than
Peter?
Student Practice
The diameter of a red sphere is 218
kilometers and the diameter of a blue
sphere is 128 kilometers. How many more
kilometers is the diameter of the red
sphere than the blue sphere?
Day #4
Teacher Model
An aquarium in New York has 865
different types of ocean life. An aquarium
in Florida has 976 different types of ocean
life. How many more types of ocean life
does the Florida aquarium have than the
New York aquarium?
Student Practice
Last year a bakery baked a total of 975
cookies. They sold 633 cookies during the
first three months of the year. How many
cookies did they have left after those
three months?
A rock band had 273 tickets to sell for
their first concert. The first day they sold
129 tickets. How many tickets did they
have left to sell?
Copyright © Swun Math
Grade 3 PODs – Tri 1 Set 1, Page 4
Problem of the Day
Grade 3 Trimester 1 Set 1
ANSWER KEY
Addition: Two 2-Digit Numbers
Day #1
Day #2
Day #3
Day #4
Teacher Model
120 apples
111 paperclips
71 pieces of salt water taffy
176 students
Student Practice
60 stamps
94 oranges
131 coins
104 pencils
Addition: Two 3-Digit Numbers
Day #1
Day #2
Day #3
Day #4
Teacher Model
637 lollipops
1,093 fruity erasers
1,194 mini Lego pieces
609 third and fourth graders
Student Practice
795 smelly markers
632 apples
1,101 movie ticket stubs
901 pennies
Subtraction: Two 2-Digit Numbers
Day #1
Day #2
Day #3
Day #4
Teacher Model
22 keys
21 fewer points
4 more cards
22 puzzles completed
Student Practice
56 pages
11 fewer trees
7 more pairs of shoes
33 more bugs
Subtraction: Two 3-Digit Numbers
Day #1
Day #2
Day #3
Day #4
Teacher Model
512 people
306 fewer miles
90 more kilometers
342 cookies
Student Practice
467 people
98 fewer hamburgers
111 more types of ocean life
144 tickets
Copyright © Swun Math
Grade 3 PODs – Tri 1 Set 1, Page 5