Lesson Plan
Curated OER

Add & Subtract Fractions w/Unlike Denominators, 2

For Teachers 7th - 9th
Students use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.
Lesson Plan
Curated OER

Subtracting with Regrouping

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

Subtracting Using Estimation

For Teachers 3rd
Third graders play the game, "Who Wants To Be A Millionaire?" while subtracting using estimation. I really like the format of this fun game, which utilizes the lifelines and strategies found in the real game on television.
Lesson Plan
Curated OER

Subtracting Whole Numbers

For Teachers 2nd
Second graders practice subtracting numbers by using a visual aide.  In this number sense lesson plan, 2nd graders complete whole number subtraction problems by utilizing manipulative cubes to visualize the equation.  Students...
Worksheet
Curated OER

Add and Subtract With Unlike Denominator Quiz

For Students 4th - 5th
In this fraction quiz worksheet, students add and subtract fractions with unlike denominators, included are 3 word problems. Answers on page 2.
Worksheet
Curated OER

Subtracting Two- and Three- Digit Numbers

For Students 4th - 5th
In this subtraction with regrouping worksheet, students solve 15 problems in which 2 or 3 digit numbers are subtracted with borrowing. There are examples to help.
Worksheet
Curated OER

Subtracting Numbers Up to Ten--Speed Racing

For Students 2nd - 3rd
In this subtraction instructional activity, students subtract 20 single-digit math problems as fast as they can in 2 speed races. Students write their answers on the instructional activity provided.
Worksheet
Curated OER

Subtracting Numbers Up to Ten--Speed Racing

For Students 2nd - 3rd
In this subtraction worksheet, students subtract 20 single-digit numbers as fast as they can in 2 speed races. Students write their answers on the worksheet provided.
Worksheet
Curated OER

Subtract 13 and 14

For Students 1st - 2nd
In this subtraction practice worksheet, students use problem solving skills in order to solve 6 math word problems that require them to subtract 1 digit numbers.
Worksheet
Curated OER

Adding and Subtraction Fractions Quiz

For Students 5th - 6th
in this fractions quiz worksheet, learners add or subtract, solving for n in a set of equations. Answers are included on page 2. A reference web site is given for additional activities.
Worksheet
Curated OER

Decimal Subtraction

For Students 3rd - 4th
For this decimal subtraction worksheet, students complete a set of 24 problems subtracting 1 decimal number from another. An answer link is provided.
Worksheet
Curated OER

Use Symbols to Subtract: Practice

For Students 1st - 2nd
In this subtraction worksheet, students subtract single digit numbers, using pictures for assistance by circling and crossing out when subtracting. Students solve the subtraction equations and write their answer on the line.
Worksheet
Curated OER

Subtracting Zero

For Teachers 2nd - 3rd
In this subtraction activity, students will subtract zero from one, two and three digit numbers. The equations are presented vertically.
Worksheet
Curated OER

Subtract from Numbers to 100

For Students 2nd - 3rd
In this subtraction worksheet, learn to solve the subtraction word problems that have numbers that range to one hundred. Students solve six word problems that subtract cents from 100.
Worksheet
Curated OER

Subtract Mixed Numbers with Like Denominators

For Students 4th - 5th
In this mixed number subtraction activity, students solve a total of 16 problems with like denominators. Answers are included on page 2, one example is completed for students.
Lesson Plan
Curated OER

Adding and Subtracting Integers

For Teachers 7th
Seventh graders review the concept of integers and how to combine them. They use the number line in different situations for the visual needed to see how adding can be done. Then students practice with numerical expressions.
Worksheet
Curated OER

Subtract Fractions With Like Denominators [J]

For Students 3rd - 4th
In this fraction subtraction worksheet, students solve a total of 14 problems, all have like denominators. An example is given at the top of the page.
Worksheet
Curated OER

Subtract from 14 Through 20

For Students 1st - 2nd
In this subtraction practice activity, students use problem solving skills in order to solve 6 math word problems that require them to subtract from the numbers 17, 18, 19, and 20.
Worksheet
Math Worksheets Land

Add and Subtract Multi-Digit Whole Numbers

For Students 3rd - 5th Standards
Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this worksheet walks students step-by-step through the solutions of each, starting in the ones place and working...
Lesson Plan
Curated OER

Adding and Subtracting Algebraic Expressions (Combining Like Terms)

For Teachers 6th - 7th
Everyone loves math when it includes food! This lesson tries to take the notion of combining like terms in algebra and comparing it to sorting apples and oranges. It takes a step-by-step approach to helping students understand this...
Worksheet
Math Worksheets Land

Add and Subtract within 1000 - Step-by-Step Lesson

For Students 2nd - 4th Standards
Three-digit numbers are the name of the game here! Scholars convert 456 to expanded form, then complete one addition and one subtraction problem. The equations are written vertically, and the addends produce a four-digit number. There is...
Activity
Florida Center for Instructional Technology

A Human Number Line: Teacher Notes

For Teachers 4th - 6th Standards
Twenty-one pieces of tagboard can lead your class to a greater understanding of integers when you use them to form a human number line. After creating this math tool, two strategies for adding and subtracting will have your...
PPT
Curated OER

Subtraction with Base 10 Models

For Teachers 1st - 3rd
Learning how to regroup can be a difficult concept to learn, as well as teach. This PowerPoint does an excellent job at visualizing the process with step-by-step guidelines and base ten animations. There are multiple examples for...
Worksheet
Curated OER

Addition and Subtraction

For Students 1st - 2nd
For this recognizing addition and subtraction word families worksheet, students subtract and then add the family equations. Students solve 32 problems.