Worksheet
Curated OER

Mental Math Skills

For Students 2nd - 3rd
In this mental math worksheet, students use a number line to count backwards and forwards, add doubles, add and subtract one, and add one-digit numbers. Students solve thirty problems.
Worksheet
Curated OER

Adding or Subtraction Algebraic Fractions

For Students 9th - 11th
In this Algebra I/Algebra II instructional activity, students add and subtract algebraic fractions and reduce the answer to lowest terms.  The two page instructional activity contains a combination of eleven multiple choice and free...
Lesson Plan
EngageNY

Networks and Matrix Arithmetic

For Teachers 11th - 12th Standards
Doubling a network or combining two networks is quick and easy when utilizing matrices. Learners continue the network example in the second lesson of this series. They practice adding, subtracting, and multiplying matrices by a scalar...
Interactive
Scholastic

Study Jams! Addition & Subtraction Equations

For Students 5th - 7th Standards
Zoe is decorating a cake for her grandpa's birthday and needs to know how many more candles to add. Follow along as she explains how to set up and solve algebraic equations in this step-by-step presentation. Equations with negative...
Lesson Plan
Curated OER

Primary Understanding and Use of Place Value

For Teachers 3rd - 4th
Explore place value and regrouping with your class. They develop awareness of several ancient number systems and how they differ from the base ten system commonly used today. They play "Chip Trading" with partners to practice addition...
Assessment
1
1
California Education Partners

Least and Greatest

For Students 7th Standards
Squares can be magic. Pupils use their knowledge of addition of positive and negative rational numbers to create a 3 X 3 magic square where the sums are 1. Scholars create addition and multiplication expressions with a set of rational...
Worksheet
1
1
T. Smith Publishing

Halloween Add or Subtract

For Students 2nd - 4th Standards
A jack-o-lantern containing a ghost top this page, making it a seasonal addition to your math lessons. On it, your little goblins will practice addition and subtraction of three-digit numbers. A terrific tool when working on Common Core...
Worksheet
Waterloo Mathematics

Number Sense and Numeration: Integers - Objects Model

For Students 7th - 9th Standards
Here is a comprehensive task for your middle school mathematicians regarding the multiplication and division of integers. Word problems and practical problems abound, while occasional graphics make the page more visually appealing. A...
Worksheet
Curated OER

Combining Like Terms

For Students 8th - 9th
In this worksheet, algebra learners solve and complete 20 different equations that include combining like terms. First, they identify and define like terms and how they can be combined in solving an equation. Then, students combine like...
Worksheet
Curated OER

Adding and Subtracting Rational Expressions 9-4

For Students 7th - 9th
In this addition and subtraction worksheet, students solve 15 problems in which they add or subtract with monomial denominators, binomial denominators, and complex fractions.
Worksheet
Curated OER

Adding and Subtracting for President's Day

For Students 3rd
In this adding and subtracting for President's Day instructional activity, 3rd graders use the example to find a president's birthday on the calendar.
Lesson Plan
Curated OER

Bicycle Ride

For Teachers 2nd
Second graders observe and demonstrate how to add and subtract three-digit numbers as they relate to word problems. They discuss an annual bike ride in Iowa, and solve problems on an activity sheet along with the teacher. Students draw a...
Interactive
Scholastic

Study Jams! Addition & Subtraction of Decimals

For Students 4th - 6th Standards
So current with preteens is the topic of downloading tunes into their computers! In a relatable lesson, viewers are taught to figure out if Zoe can afford to purchase two songs if she has $3.00 left to her credit. Mia talks them through...
Lesson Plan
Curated OER

Fractions: Addition and Subtraction

For Teachers 7th
Seventh graders add and subtract fractions with like and unlike denominators. After discussing the use of fractions in the real world, 7th graders work problems and draw models representing each problem. They observe subtracting...
Worksheet
Curated OER

Add/Subtracting Fractions and Mixed Numbers

For Students 4th - 8th
In this fractions and mixed numbers worksheet, students add and subtract fractions and mixed numbers. Students complete 28 problems.
Lesson Plan
Curated OER

Carry and Borrow

For Teachers 2nd
Second graders complete basic math computations. For this addition and subtraction lesson, 2nd graders learn how to carry and borrow numbers when adding and subtracting. Students learn a carrying song to help them remember. Students...
Lesson Plan
Curated OER

Adding Trigonometric Functions

For Teachers 9th - 11th
Students identify trigonometric functions. In this trigonometry lesson, students add and subtract trigonometric functions. They add sine and cosine waves and relate it to the real world.
Worksheet
Curated OER

Three-Digit Addition and Subtractions [M]

For Students 3rd - 4th
In this addition and subtraction learning exercise, students complete a total of 49 problems, adding or subtracting 3 digit numbers. Answers included on page 2.
Worksheet
Curated OER

Model Design and Building: merit badge

For Students 5th - 12th
In this model design and building learning exercise, students fill out short answer questions about model design and building in order to get a merit badge. Students complete 6 questions total.
Interactive
Curated OER

Fish and Wildlife Management: merit badge

For Students 5th - 12th
In this fish and wildlife management worksheet, students fill out short answer questions using their workbook about fish and wildlife management in order to get a merit badge. Students complete 8 questions total.
Interactive
Curated OER

Soil and Water Conservation Merit Badge Workbook

For Students 5th - 6th
In this soil and water conservation Boy Scout merit badge worksheet, students complete 5 pages of multiple step, short answer questions about soil and how to conserve it. They list different types of soil, plant nutrients, and define...
Lesson Plan
Texas Instruments

Greatest Common Divisor and Least Common Multiple

For Teachers 8th - 12th Standards
Young scholars solve problems using the GCD and LCM. In this algebra lesson, students factor and simplify equations using the greatest common and least common factors and multiples. They factor integers in pairs.
Worksheet
Curated OER

Add and Subtract Decimal Thousandths (E)

For Students 5th - 6th
For 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

Add and Subtract Decimal Thousandths (G)

For Students 4th - 5th
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.

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