Addition All Stars Worksheet
Addition All-Stars
2-Digit Addition with Regrouping • Making a Ten
Grade 2 Math
Name:
Date:
Stars:
!
Regrouping Rule: Add the Ones first. If you get 10 or more, carry 1 ten into the Tens box above!
Part 1
Add with Place Value Regrouping
#1 T O
3 7
#2 T O
4 8
#3 T O
5 9
#4 T O
6 5
Part 2
More 2-Digit Addition Practice
#5
2 9
#6
5 4
#7
3 6
#8
7 3
Part 3
Star Collector Story Problem
#9 Word Problem
Leo collected 38 gold star stickers on Monday. On Tuesday, he earned 27 more star stickers. How many star stickers does Leo have altogether?
Show your work here:
Sentence Answer:
Leo has:
______ stickers
Addition All-Stars • Grade 2 Math Practice Page 1 of 2 • 2-Digit Addition
Addition All-Stars
3-Digit Addition with Regrouping • Hundreds, Tens, & Ones
Grade 2 Math
Step-by-Step Helper: Add Ones first! If you have 10 ones, carry 1 ten. Then add Tens. If you have 10 tens, carry 1 hundred!
Part 4
3-Digit Addition with Regrouping
#10 H T O
1 4 6
#11 H T O
2 5 7
#12 H T O
3 8 4
#13 H T O
4 2 9
Part 5
3-Digit Addition All-Star Challenge
#14
3 6 5
#15
5 4 9
#16
4 1 8
#17
6 2 7
Part 6
Zoo Adventure Story Problem
#18 Word Problem
The zookeeper counted 156 colorful birds in the rainforest aviary and 248 tropical fish in the aquarium. How many animals are there in both exhibits combined?
Show your addition work:
Sentence Answer:
Total Animals:
______ animals
Addition All-Stars • Grade 2 Math Practice Page 2 of 2 • 3-Digit Addition
Addition All Stars Answer Key
Addition All-Stars
Answer Key
Teacher Reference • 2-Digit Addition Regrouping (Page 1)
Grade 2 Math
Regrouping Annotation: The red carry number above the tens column represents 1 composed ten (10 ones = 1 ten).
Page 1: 9 Problems
Part 1 Solutions
2-Digit Place Value Solutions
#1 1 pt
1
3 7
62
#2 1 pt
1
4 8
84
#3 1 pt
1
5 9
83
#4 1 pt
1
6 5
83
Part 2 Solutions
Practice Grid Solutions
#5 1 pt
1
2 9
76
#6 1 pt
1
5 4
82
#7 1 pt
1
3 6
82
#8 1 pt
1
7 3
92
Part 3 Solution
Star Collector Model Solution
#9 Model Key (2 pts)
Equation: \(38 + 27 = 65\)
Add ones: \(8 + 7 = 15\) ones (1 ten, 5 ones). Add tens: \(1 + 3 + 2 = 6\) tens.
¹
3 8
+ 2 7
6 5
Complete Sentence:
65 stickers
(1 pt math, 1 pt units)
Addition All-Stars • Teacher Answer Key Page 1 of 2 • 2-Digit Addition
Addition All-Stars
Answer Key
Teacher Reference • 3-Digit Addition Regrouping (Page 2)
Grade 2 Math
3-Digit Tip: Emphasize regrouping from ones to tens, and from tens to hundreds (composing a hundred).
Page 2: 9 Problems
Part 4 Solutions
3-Digit Addition Solutions
#10 1 pt
1
1 4 6
384
#11 1 pt
1