Lesson Plan
Curated OER

Subtraction

For Teachers 2nd
Second graders regroup two-digit numbers and solve advanced subtraction problems with regrouping; students use straw and cup manipulatives to demonstrate how to borrow from the tens place in order to solve the problem.
Worksheet
Helping with Math

Subtraction : 3-digit - 3-digit

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

Add One-Digit Numbers to Two-Digit Numbers

For Students 2nd - 3rd
In this addition word problems worksheet, students solve 4 story problems in which two digit numbers are added to single digits.
Worksheet
Curated OER

One and Two digit addition

For Students 2nd - 3rd
In this addition activity, students add one and two digit numbers together with and without regrouping. Students complete 6 addition problems.
Worksheet
Curated OER

Three Digit Addition

For Students 2nd - 4th
In this addition review worksheet, students use their math skills to solve 36 problems that require them to add 3 digit numbers to 3 digit numbers with regrouping.
Lesson Plan
Curated OER

Understanding Whole Numbers

For Teachers 4th
In this understanding whole numbers worksheet, 4th graders use a computer program for instruction, then answer 16 problems about addition and subtraction.
Lesson Plan
Curated OER

Tear + Net = Gross

For Teachers 2nd
Second graders find the net weight of a grocery item by weighing it with the tear. In this weight measurement lesson plan, 2nd graders bring in cans of food and watch a video about weight measurement. Students review the meanings of...
Worksheet
Curated OER

Add Three Numbers

For Students 2nd - 3rd
In this column addition instructional activity, students solve 11 problems in which three two-digit numbers are added. There will be regrouping on this page.
Worksheet
Curated OER

Add Two-Digit Numbers

For Students 1st - 2nd
In this addition worksheet, students solve 4 story problems in which two-digit numbers are added, with and without regrouping.
Worksheet
Curated OER

Addition: Math 3

For Students 3rd - 4th
In this addition worksheet, students add one and two digit numbers to each other with and without regrouping. Students complete 30 addition problems.
Worksheet
Curated OER

Adding Greater Numbers

For Students 4th - 5th
In this adding greater numbers activity, students solve 13 problems in which four numbers are added in a column. Most numbers are four or five digits; students will need to regroup more than once.
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. 
Worksheet
Curated OER

Add Two Digit Numbers Horizontally

For Students 2nd - 4th
In this finding the sums worksheet, students add two-digit plus two-digit horizontal numbers with and without regrouping. Students solve 16 problems.
Worksheet
Curated OER

One-Digit Addition: No Regrouping (H)

For Students 3rd - 5th
In this one-digit addition activity, students problem solve and calculate the answers to eighty addition equations with no regrouping.
Worksheet
Curated OER

Adding Five Digit Numbers

For Students 3rd - 4th
In this addition worksheet, students focus on adding five digit numbers. Students complete 12 problems with some regrouping.
Worksheet
Curated OER

Adding Five Digit Numbers

For Students 3rd - 4th
In this addition worksheet, students add five digit numbers. Students solve 12 problems with regrouping in some of them.
Worksheet
Curated OER

Multiplying Two And Three Digit Numbers

For Students 4th
In this multiplication worksheet, 4th graders follow the given examples demonstrating multiplication by two and three digit numbers. Students then complete 16 problems for mastery.
Worksheet
Curated OER

Subtraction Computation

For Students 3rd - 4th
In this subtraction learning exercise, students solve 16 problems in which three digit numbers are subtracted, with and without regrouping.
Worksheet
Math Salamanders Ltd.

Column Subtraction - 3 Digits Sheet 3

For Students 3rd - 4th Standards
In this column subtraction with three-digit worksheet, students solve fifteen subtraction problems with three-digit numbers using regrouping.
Worksheet
T. Smith Publishing

Multiplication Practice: Multiplying a 2-digit number by a 1-digit number with no regrouping

For Students 4th - 5th Standards
No regrouping required here. Mathematicians multiply two-digit numbers by one-digit numbers on this simple, straightforward handout. There are 30 problems to solve, making this a nice addition to your homework packet for the week.
Worksheet
Curated OER

Subtraction

For Students Pre-K - 6th
In this subtraction learning exercise set, students find the differences in 480 problems; 24 per page. They subtract two digit numbers from three digit numbers regrouping when necessary.
Worksheet
Curated OER

Decimals Worksheet 1

For Students 3rd - 6th
In this addition learning exercise, students add one and two digit numbers with decimals and regrouping. Answers are provided by clicking a link. An excellent in-class activity, or homework assignment.
Lesson Plan
Curated OER

Addition and Subtraction

For Teachers 2nd - 3rd
Students develop their own strategies to solve basic addition and subtraction facts. In this addition and subtraction lesson plan, students use strategies they already know and new ones to solve problems.
Lesson Plan
Curated OER

Problem Solving With Fractions

For Teachers 6th
Sixth graders solve and analyze fractions. In this algebra lesson, 6th graders solve fractions using addition, subtraction, multiplication and division. They work in groups and do peer-review.

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