Worksheet
Curated OER

Morning Math

For Students 3rd - 4th
Good morning, math scholars! There are 10 warm-ups here to get your class recalling past concepts and staying sharp on newer ones. Skills include writing an even and odd number sequence, subtracting money amounts, dividing shapes in...
Lesson Plan
Curated OER

Investigation - Snack TIme

For Teachers K
Students explore solving addition and subtraction problems. They solve real life problems. Students participate in a simulation activity to find the missing addend. They demonstrate adding and subtracting whole numbers.
Lesson Plan
Curated OER

Algebra 1: Simplifying Radicals

For Teachers 8th - 9th Standards
After discussing the difference between rational and irrational numbers, the class pratices simplifying, adding, and subtracting radical expressions. They play a game which involves passing around cards until they have matching hands of...
Worksheet
Curated OER

Adding/Subtracting Integers

For Students 7th - 8th
In this integer activity, students find the sum and difference of positive and negative integers. Each equation contains two to three terms, with multiple operations. Thirty problems are provided, with an answer sheet.
Worksheet
Curated OER

Addition and Subtraction of Rational Expressions

For Students 9th - 11th
In this rational expression worksheet, students add and subtract fractional expressions. They completely factor the numerator and denominator. Explanations and examples are provided at the beginning of the document. This two-page...
Worksheet
Curated OER

Add and Subtract Decimal Thousandths (E)

For Students 5th - 6th
In this decimals worksheet, students solve 50 problems in which decimal numbers to the thousandths place are added or subtracted. Problems will need to be rewritten on another paper.
Worksheet
Curated OER

Decimal Addition and Subtraction

For Students 3rd - 5th
In this decimal addition and subtraction practice worksheet, students use their problem solving skills to solve 24 problems that require them to add and subtract decimals with up to 3 decimal places.
Lesson Plan
Curated OER

Subtracting Integers: Math, Physical Education, Dancing, Negative Numbers

For Teachers 6th - 8th
Students demonstrate their understanding of positive and negative integers by adding and subtracting. More importantly, students explain why a negative number, subtracted from a negative number, changes the operation.
Worksheet
Curated OER

How Many Now?

For Students 1st - 2nd
In this more and less worksheet, students solve 6 problems in which multiples of ten are added or subtracted from a specified number.
Worksheet
Curated OER

Decimal Addition and Subtraction 2

For Students 3rd - 5th
In this decimal addition and subtraction practice worksheet, students use their problem solving skills to solve 12 problems that require them to add and subtract decimals with up to 1 and 2 decimal places.
Lesson Plan
Curated OER

Ceramic shoes - wild and wacky

For Teachers 9th - 12th
Students explore the history of shoes and shoes from various cultures. They create a shoe using slab and coil techniques. They become familiar with basic additive and subtractive sculpting methods while adding imaginative features to...
Worksheet
Curated OER

Use Addition to Help You Subtract

For Students 1st - 2nd
In this early childhood addition and subtraction instructional activity, students solve 6 math story problems that help them see the relationship between adding and subtracting.
Worksheet
Curated OER

Leveled Problem Solving Solving Addition and Subtraction Equations

For Students 4th - 7th
In this adding and subtracting equations practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Worksheet
Curated OER

Relate Addition and Subtraction

For Students 1st - 2nd
For this early childhood addition and subtraction worksheet, students solve 6 math story problems that help them see the relationship between adding and subtracting.
Lesson Plan
Curated OER

Two-Digit Addition and Subtraction (M)

For Teachers 2nd - 3rd
In this addition and subtraction practice worksheet, students find sums and differences of 49 problems by adding and subtracting 2-digit numbers with no regrouping.
Lesson Plan
Curated OER

Two-Digit Addition and Subtraction (N)

For Teachers 2nd - 3rd
In this addition and subtraction practice worksheet, learners find sums and differences of 49 problems by adding and subtracting 2-digit numbers with no regrouping.
Lesson Plan
Curated OER

Two-Digit Addition and Subtraction (O)

For Teachers 2nd - 3rd
For this addition and subtraction practice worksheet, young scholars find sums and differences of 49 problems by adding and subtracting 2-digit numbers with no regrouping.
Lesson Plan
Curated OER

Two-Digit Addition and Subtraction (K)

For Teachers 2nd - 3rd
For this addition and subtraction practice worksheet, learners find sums and differences of 49 problems by adding and subtracting 2-digit numbers with no regrouping.
PPT
Curated OER

Who Wants to Be a Champion?

For Teachers 4th - 5th
Have your class practice working with fractions using this resource. Learners simplify fractions, convert fractions to decimals, subtract decimals, and add fractions. This is a terrific center activity. 
Worksheet
Curated OER

Decimal Questions

For Students 4th - 6th
Money and measurement are often expressed as decimal numbers. Here are 20 well-worded problems intended to put decimal numbers in a real-world context. Learners will add, subtract, multiply, and divide to determine the answer to each...
Assessment
PBS

Working with Common Denominators: Assessments

For Students 4th - 6th Standards
Now that the practice is over, see if young mathematicians can utilize their new skills on finding common denominators and adding fractions. The assessment contains one map challenge and follows with skills practice. 
Worksheet
Curated OER

Fourth of July Addition and Subtraction

For Students 2nd - 3rd
What is Thomas Jefferson signing? Focus on American history with this cross-curricular math puzzle. Learners utilize addition and subtraction skills to solve the mystery of the Fourth of July. All numbers are 3-digit, and there are no...
Unit Plan
National Security Agency

Fraction Fever

For Teachers 4th - 5th Standards
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
PPT
University of Texas

Complex Numbers

For Students 9th - 12th Standards
Are complex numbers and binomials similar? This stack of slides provides an introduction to complex numbers and shows how to operate with them. The worked examples show a connection between operating with binomials and operating with...

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