Worksheet
Curated OER

Deciding When to Regroup

For Students 2nd
In this addition learning exercise, 2nd graders determine if they need to regroup or not in 3 word problems. Students circle their answers, yes or no, and write the tens and ones numbers in the blanks provided.
Lesson Plan
NTTI

Putting Together Ten

For Teachers 1st - 2nd Standards
Groups explore sets of 10 items in two varieties (i.e. 3 white buttons and 7 black ones, or 5 bears and 5 bunnies). They brainstorm about their objects, write math sentences to represent what they have, and report their discoveries...
Worksheet
Curated OER

Two-Digit Sums With Regrouping

For Students 2nd - 3rd
In these twenty addition worksheets, students add two-digit plus two-digit numbers with regrouping. Students solve 200 problems.
Worksheet
Curated OER

Regroup - Up to 99

For Students 1st - 3rd
In this regrouping worksheet, students regroup 2-digit numbers into the tens and ones place. There are 12 numbers for students to regroup.
Lesson Plan
Curated OER

Kid Pix Math

For Teachers 2nd
Second graders, using Kid Pix, write and illustrate simple addition and subtraction sentences using Kid Pix. After each student has completed his/her work, it is printed out and bound into a class book.
Lesson Plan
National Security Agency

Borrowing from Our Neighbors

For Teachers 2nd - 4th Standards
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Lesson Plan
Curated OER

Comparing Values: Comparisons Between Musical Notation and Money

For Teachers K - 6th
Students identify ways in which the principles and subject matter of other disciplines taught in school, specifically math, are interrelated with those of music.
Worksheet
Houghton Mifflin Harcourt

Sums to 100

For Students 1st - 2nd Standards
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...
Lesson Plan
Curated OER

Subtraction Rhyme

For Teachers 2nd - 4th
Students study a rhyme for subtracting with regrouping from 10's to 1's.
Lesson Plan
Curated OER

Three-Digit Addition and Subtraction With Regrouping

For Teachers 2nd
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...
Worksheet
Curated OER

2 Digit Subtraction Worksheets with Regrouping

For Students 2nd - 3rd
In these subtraction worksheets, students will subtract single and double digit subtrahends from double digit minuends. Students will need to regroup to solve.
Lesson Plan
Curated OER

Two-Digit Addition With Regrouping

For Teachers 2nd
Second graders practice two-digit addition with regrouping. In this addition lesson, 2nd graders use craft sticks to solve two-digit regrouping problems. Students solve problems on the chalkboard.
Lesson Plan
Curated OER

Calculating Elapsed Time

For Teachers 2nd - 5th
Young scholars calculate elapsed time in a series of activities. In this calculating time lesson, students view a Cyberchase video that demonstrates how to calculate elapsed time. Activities include counting, subtracting and regrouping...
Lesson Planet Article
Curated OER

Lesson Plans That Meet The Needs of All Students

For Teachers 1st - 6th
Differentiated lesson plans are an excellent tool for meeting students' needs in the mixed ability classroom.
Lesson Plan
Curated OER

Adding Three Digits

For Teachers 2nd
Second graders use cards to create 3-digit addition problems and add them together. In this addition lesson plan, 2nd graders add numbers with and without regrouping. Students use a deck of cards to play an addition game in pairs. A very...
Worksheet
Curated OER

Adding Two-Digit Numbers

For Students 2nd
In this addition instructional activity, 2nd graders add 6 two-digit numbers together, use tens and ones as models and circle yes or no if they needed to regroup.
Worksheet
Curated OER

Subtraction Practice, Part 5

For Students 1st - 3rd Standards
Use this basic worksheet to practice two-digit subtraction in your second grade class. Learners solve three sections of problems, two of which involve money symbols, and write their answers in space provided. All problems are written in...
Worksheet
Curated OER

Subtraction Practice, Part 4

For Students 1st - 3rd Standards
In need of some subtraction practice? Here is a good review or quiz activity to reinforce your subtraction lesson. Twenty-four problems include subtracting two-digit numbers, most of which involve carrying. The last fifteen problems use...
Lesson Plan
Curated OER

Subtracting with Regrouping

For Teachers 2nd
Second graders explore math functions by completing a worksheet in class. In this subtraction lesson, 2nd graders identify the techniques used to assist in subtracting multi-digit numbers. Students complete a subtraction worksheet and...
Lesson Plan
Curated OER

One Hundred Things

For Teachers 1st - 4th
Learners practice estimating by handling items in groups of ten. They visualize how much space 100 items, such as pennies, peas, or beans, will take up after holding 10 of them. Students measure the difference in volume between 10...
Worksheet
Curated OER

Christmas Addition

For Students 2nd - 3rd
In this holiday math lesson, students color Christmas symbols and complete twelve two-digit addition problems. There are no regrouping problems. This worksheet has five pages with 12 problems on each page.
Lesson Plan
Curated OER

Money Makes the Fair-Go-Round

For Teachers 2nd - 3rd
Learners explore the value of money. In this money lesson plan, students investigating combining amounts of money and making change. Learners count sets of money and make fair trades. Resources are provided.
Worksheet
Curated OER

Add and Subtract within 1000

For Students 1st - 2nd
Here are some practice problems with adding and subtracting three-digit numbers. Scholars complete three addition problems and three subtraction problems. None of these involve carrying over or regrouping. There are only two numbers to...
Worksheet
Curated OER

Regrouping Tens and Ones Reteaching Worksheet

For Students 2nd
In this regrouping tens and ones reteaching worksheet, 2nd graders examine how to break two digit numbers into tens and one using information at the top of the page. They draw tens and ones to represent 3 numbers. They regroup a second...