Illustrative Mathematics
How Many Days Until Summer Vacation?
On the 124th day of school, young mathematicians are asked to find out how many days are left in the 180-day school year. The teacher version to the task offers several ways the problem can be solved, and can be used to guide...
Houghton Mifflin Harcourt
Sums to 100
Whether it's counting marbles, flowers, or playing cards, small objects can add up to great sums. Learners work six story problems to practice addition to 100. Some regrouping is required, along with distinguishing useful from irrelevant...
Curated OER
Add Hundredths Decimals
In this adding decimals with hundredths worksheet, students find the sums with and without regrouping. Students solve 20 problems.
Curated OER
Two Digit 3
In this addition worksheet, students add two digit to two digit numbers for twenty-five problems. Regrouping is used for several of the problems. Answers are included with this worksheet.
Curated OER
Three-Digit Addition and Subtraction With Regrouping
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition lesson, 2nd graders learn to add and subtract three-digit numbers with and without...
Curated OER
One-Digit Addition and Subtraction No Regrouping (T)
In this addition and subtraction worksheet, students find the sums and differences to 36 single digit problems. They do not regroup in these problems.
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One-Digit Addition and Subtraction No Regrouping (A)
In this math worksheet, students solve 81 problems in which one-digit numbers are added and subtracted. Problems are in a vertical format with addition and subtraction mixed in each row.
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2-Digit Addition With Regrouping
In this addition activity, students complete a total of 20 problems, adding one 2-digit number to another, no regrouping required. Answers on page 2.
Curated OER
Missing Numbers in Two Digit Addition Worksheet #9
In this addition worksheet, students solve 20 problems in which missing numbers in two digit addition problems are filled in. There is no regrouping on the page.
Curated OER
Two Digit Addition Without Regrouping #2
In this addition worksheet, learners solve 20 problems in which two digit numbers are added. There is no carrying on this page.
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2 Digit Addition Worksheet (No Regrouping) #4
In this addition instructional activity, students solve 20 problems in which two digit numbers are added. There is no carrying on this page.
Curated OER
One-Digit Addition: No Regrouping (H)
In this one-digit addition activity, students problem solve and calculate the answers to eighty addition equations with no regrouping.
Curated OER
Find Missing Sums and Addends-No Regrouping
In this addition worksheet, students find missing sums and addends in a set of 20 problems without regrouping. Answers are included on page 2.
Curated OER
Two-Digit Addition, No Regrouping /Carry-on - Missing Digits
In this addition worksheet, 2nd graders fill in the missing digits in 20 addition problems. They do not regroup in the problems.
Curated OER
Two-Digit Addition, No Regrouping/Carry-on - Missing Digits
In this addition worksheet, 2nd graders find the missing digits in 20 two digit problems that do not require regrouping. They insert the digits in this timed worksheet.
Curated OER
2 Digit Addition Without Regrouping
In this 2-digit addition worksheet, young scholars complete 20 problems, adding one 2-digit number to another. Answers are included on page 2. A reference web site is given for additional activities.
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Addition: Missing Sums and Addends
For this addition worksheet, students fill in missing sums and addends in a set of 20 problems. Some problems involve regrouping, answers are included on page 2.
Curated OER
Three-Digit Plus Three-Digit Addition (B)
In this addition worksheet, students find the sums in 100 vertical three digit plus three digit addition problems. They regroup as needed to find the sums.
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Two Digit Addition Worksheet #3: Find the Missing Number
In this addition activity, students solve 20 problems in which a missing number in the problem is filled in. Students analyze the two numbers that are provided and fill in the third to make the problem correct.
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Fun Math Worksheet - Four and Five Digit Addition
In this addition worksheet, 3rd graders find the sums to 15 four and five digit vertical addition problems. They regroup as needed while completing the sums on the page that shows black line pictures of animals.
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2 Digit Addition Worksheets with Regrouping
In this math activity, students solve 20 problems in which 2 digit numbers are added with regrouping. There are 10 pages available here.
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Regroup Ones: Reteach
In this regrouping ones worksheet, students review steps to help them add using regrouping. Kids find the sums for ten addition problems. Students write yes for each exercise where they regrouped ones to make a ten.
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Three-Digit Plus Three-Digit Addition (A)
For this math worksheet, learners solve 100 problems in which 3 digit numbers are added with regrouping. The problems are in vertical format.
Curated OER
Double Digit Addition
In this addition worksheet, students focus on addition of double digit numbers. Students complete 20 problems with necessary regrouping in some of them.