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Lesson Plan
Curated OER

Add or Subtract Whole Numbers Up to 1000

For Teachers 3rd - 4th
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
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Worksheet
Curated OER

Addition of Negative Numbers

For Students 4th - 5th
In this addition worksheet, students add two one-digit and two-digit negative numbers with regrouping. Students solve fifteen online interactive problems.
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Worksheet
Curated OER

Fun Math Worksheet

For Students K - 1st
In this addition worksheet, students add 1 digit numbers together without regrouping. Students complete 15 addition problems and write the sum.
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Worksheet
Curated OER

Fun Math Worksheet

For Students K - 1st
In this addition worksheet, students add 1 digit numbers together with regrouping. Students complete 15 addition problems and write the sum.
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Worksheet
Curated OER

Fun Math Worksheet

For Students 1st
In this addition worksheet, 1st graders add 1 digit numbers together with regrouping. Students complete 15 addition problems and write the sum.
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Worksheet
Curated OER

Fun Math Worksheet

For Students 1st
In this addition worksheet, 1st graders add 1 digit numbers together with regrouping. Students complete 15 addition problems and write the sum.
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Worksheet
Curated OER

Fun Math 66

For Students 1st - 2nd
In this finding the sums worksheet, students add one-digits and two-digit numbers with regrouping on a page with fun clip art next to each problem. Students solve 15 problems.
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Worksheet
Curated OER

Fun Math 39

For Students 2nd - 3rd
In this finding the sums worksheet, students add one-digit, two-digits, and three-digit numbers with regrouping on a page with fun clip art next to each problem. Students solve 15 problems.
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Worksheet
Curated OER

Fun Math 5

For Students 1st - 2nd
In this finding the sum worksheet, students add one-digit plus one and two-digit numbers with regrouping on a worksheet with clip art next to each problem. Students solve 15 problems.
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Worksheet
Curated OER

Fun Math

For Students 2nd - 3rd
In this finding the sum worksheet, students add one digit and 2-digit numbers on a page with clip art next to each problem. Students solve 15 problems.
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Worksheet
Curated OER

Fun Math 59

For Students 1st - 2nd
In this finding the sums worksheet, students add one-digit plus two-digit numbers with and without regrouping on a page with fun clip art next to each problem. Students solve 15 problems.
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Worksheet
Curated OER

One Digit Addition; With Regrouping-Z

For Students 1st - 2nd
In this math learning exercise, students add two single digit numbers. The learning exercise has the silhouette of a bat in the background. Problems are presented in column format.
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Interactive
Curated OER

Addition with Regrouping

For Students 2nd - 4th
For this online interactive addition with regrouping worksheet, students solve 18 problems that require them to add 3 digit numbers to 3 digit numbers with regrouping.
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Lesson Plan
Curated OER

Popsicle Stick Regrouping Fun

For Teachers 2nd - 3rd
Students demonstrate regrouping in subtraction. In this math computation lesson, students use popsicle sticks to practice the regrouping strategy. Students practice several examples of regrouping problems in small groups.
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Worksheet
Curated OER

Add Two Digit Numbers - Vertical

For Students K - 3rd
In this problem solving worksheet, students add together 20 problems involving 2-digit whole numbers. Students record their answers underneath each problem.
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Worksheet
Curated OER

Fun Math Worksheet

For Students 1st
In this addition learning exercise, 1st graders add one digit numbers together with and without regrouping. Students complete 15 addition problems where they write the sum of the two numbers.
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Lesson Plan
Curated OER

Study Buddies: Subtracting Three-Digit Numbers

For Teachers 2nd - 3rd
In this math worksheet, students will work with a coach to solve a story problem in which they must subtract three-digit numbers. Students will follow a step-by-step process and notes are provided for the coach.
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Lesson Plan
Curated OER

Two-Digit Addition and Subtraction (B)

For Teachers 4th - 6th
In this adding and subtracting two-digit numbers worksheet, students find the sums using mixed regrouping and no regrouping. Students solve 49 problems.
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Worksheet
Curated OER

Add Four Digit Numbers

For Students 3rd - 4th
In this finding the sums worksheet, students add four-digit numbers with regrouping. Students solve 20 problems. 
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Worksheet
Curated OER

Subtraction: Two Digit by Two Digit - No Regrouping

For Students 2nd Standards
In this subtraction worksheet, 2nd graders find the differences in 30 two digit by two digit problems in which they do not have to regroup.
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Lesson Plan
Curated OER

Two Digit Addition (No regrouping)

For Teachers 2nd
In this two digit addition without regrouping worksheet, 2nd graders will find the sums of 18 problems and solve 3 word problems.
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Worksheet
Helping with Math

Subtraction : 3-digit - 3-digit

For Students 3rd - 5th Standards
In this subtraction learning exercise, math wizards subtract three-digit numbers from different three-digit numbers. Some of the 24 problems require regrouping.
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Worksheet
Curated OER

Add Two-Digit Numbers

For Students 2nd - 3rd
In this adding two-digits numbers worksheet, students solve horizontal and vertical problems with some regrouping. Students solve 25 problems.
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Worksheet
Curated OER

Regroup Ones

For Students 2nd - 3rd
In this addition worksheet, students solve 17 problems in which three digit numbers are added with regrouping. There is one story problem on the page.