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

Two-Digit Addition and Subtraction (A)

For Teachers 2nd - 4th
In this two-digit addition and subtraction worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
Worksheet
Curated OER

Addition and Subtraction Up to Two-Digits

For Students 2nd - 3rd
In this finding the sums and differences worksheet, students write the equations in the ones and tens columns and solve and also solve vertical problems with and without regrouping. Students solve 18 problems.
Lesson Plan
Curated OER

Three-Digit Addition and Subtraction (B)

For Teachers 3rd - 5th
In this adding and subtracting thee-digit numbers worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
Lesson Plan
Curated OER

Three-Digit Addition and Subtraction (A)

For Teachers 3rd - 5th
In this adding and subtracting three-digit numbers worksheet, students solve with mixed regrouping and no regrouping. Students solve 49 problems.
Lesson Plan
Curated OER

Subtraction: 3-Digit Regrouping

For Teachers 3rd
Third graders listen to a lecture and view a PowerPoint presentation on using regrouping in three-digit subtraction problems. They use a spinner to form three-digit subtraction problems and complete them.
Lesson Plan
Curated OER

Subtraction of Mixed Numbers

For Teachers 4th - 6th
Students subtract mixed numbers that require regrouping and have a difference less than fifty.
Worksheet
Math Salamanders Ltd.

Column Subtraction with 2 Digits Sheet 5

For Students 2nd - 3rd Standards
In this subtraction worksheet, students line up the two-digit numbers in the correct column to subtract. Regrouping is necessary to complete the problems.
Worksheet
Curated OER

Subtracting Across Zeros

For Students 4th - 5th
For this subtracting across zeros worksheet, students analyze the information and examples for how to regroup multiple times if there are zeros in a series. Students then solve 9 problems.
Worksheet
Curated OER

Fun Math Worksheet - Four Digit Subtraction

For Students 3rd - 4th
In this subtraction practice worksheet, students find the differences in 15 problems. They subtract four digit numbers from four digit numbers. They regroup as needed and complete the work on a page that is decorated with black-line...
Worksheet
Curated OER

Fun Math Worksheet - Four Digit Subtraction

For Students 3rd - 4th
For this subtraction practice worksheet, students find the differences in 15 problems. They subtract four digit numbers from four digit numbers. They regroup as needed and complete the work on a page that is decorated with black-line...
Worksheet
Curated OER

Fun Math Worksheet - Four Digit Subtraction

For Students 3rd - 4th
In this subtraction practice worksheet, students find the differences in 15 problems. They subtract four digit numbers from four digit numbers. They regroup as needed and complete the work on a page that is decorated with black-line...
Worksheet
Curated OER

Fun Math Worksheet - Four Digit Subtraction

For Students 3rd - 4th
In this subtraction practice worksheet, students find the differences in 15 problems. They subtract four digit numbers from four digit numbers. They regroup as needed and complete the work on a page that is decorated with black-line...
Lesson Plan
Curated OER

Pac Man Subtraction

For Teachers 3rd - 4th
Third and fourth graders engage in a game using visual symbols, auditory responses and tactile stimuli to further their understanding of subtraction. A worksheet imbedded in this plan explains how to teach the game.
Lesson Plan
Curated OER

The Weight of Primates

For Teachers 2nd
Second graders practice their problem solving skills. In this addition and subtraction skills lesson, 2nd graders solve word problems that require them to find differences and sums. This lesson features the use of a video titled...
Worksheet
Curated OER

Subtract in Columns

For Students 2nd - 3rd
In this subtraction learning exercise, students complete several subtraction activities that help them subtract in columns and borrow over zeros. Students then add to check their subtraction and then solve several subtraction distance...
Worksheet
Curated OER

Subtraction Of a One Digit Number From a Two Digit Number

For Students 3rd - 4th
In this subtraction worksheet, students solve 15 problems in which a one digit number is subtracted from a two digit number. Some problems will require regrouping. Problems may need to be rewritten on another paper as they are in...
Worksheet
Curated OER

Subtracting Two-Digit Numbers

For Students 2nd
In this subtraction learning exercise, 2nd graders practice subtracting two-digit numbers by crossing out and regrouping. Students complete 4 subtraction math problems.
Worksheet
Curated OER

Two-Digit Subtraction, No Regrouping /Borrowing / Trading

For Students 1st - 3rd
In this subtraction practice activity, students use their math skills to solve 20 problems that require them to add 2 digit numbers without regrouping, borrowing, or trading.
Interactive
Curated OER

Two-Digit Subtraction, No Regrouping /Borrowing / Trading 2

For Students 2nd - 3rd
In this subtraction practice worksheet, students use their math skills to solve 20 problems that require them to add 2 digit numbers without regrouping, borrowing, or trading.
Worksheet
Curated OER

Subtraction practice

For Students 2nd
In this subtraction activity, 2nd graders subtract one and two digit numbers with and without regrouping. Students complete 12 subtraction problems.
Worksheet
Curated OER

Three-Digit Subtraction, No Regrouping /Borrowing / Trading

For Students 2nd - 4th
For this subtraction practice worksheet, students use their math skills to solve 20 problems that require them to subtract 3 digit numbers without regrouping, borrowing, or trading.
Worksheet
Curated OER

Regroup Tens: Homework

For Students 3rd - 4th
In this regrouping tens worksheet, students review how to regroup using tens to show numbers in another way. Students regroup 1 ten using beans, buttons, macaroni, or paper. Students then write the tens and ones for each example and...
Lesson Plan
Curated OER

Computing With Customary Units

For Teachers 6th
In this mathematics worksheet, 6th graders identify and practice adding and subtracting units of measure. They add or subtract and regroup for each problem. Then, students explain how each way is different.

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