Worksheet
Curated OER

Adding and Subtracting Up to 5

For Students K - 1st
Basic addition and subtraction need to be mastered before moving on to more challenging mathematics. This resource provides learners with one addition and one subtraction problem. They read the explanation included to learn how to solve...
Lesson Plan
Curated OER

Fractions And Integers Review

For Teachers 6th - 8th
Investigate the concepts of fractions and integers in order to review for a future assessment. The teacher reviews the major concepts with the class and provides help throughout the lesson as needed. Math students work together in small...
Worksheet
Curated OER

Adding and Subtracting Up to 5 Guided Lesson Explanation

For Students K
A teacher resource, this scripted lesson details how learners can solve addition and subtraction problems involving numbers up to five. The referenced pupil worksheet is not included.
Lesson Plan
Curated OER

Signed Numbers and Order of Operations I

For Teachers 8th - 9th
In this signed numbers worksheet, students simplify equations by using the indicated operation. They add, subtract, multiply, and divide equations containing two to four positive and negative integers. Three of the 25 equations contain...
Lesson Plan
Curated OER

Domain: Operations and Algebraic Thinking

For Teachers K - 2nd
Practice basic operations for young mathematicians in fun ways! Using two decks of cards (Ace through 10 plus the joker), learners play "memory" by matching numbers that can be added to make 10 and writing number sentences. In another...
Lesson Plan
Curated OER

Complex Numbers and Operations

For Teachers 8th - 10th
In this algebra worksheet, students add, subtract and multiply using complex numbers. They apply the correct property of i as they solve. There are ten questions with an answer key.
Lesson Plan
Curated OER

Through India and Back

For Teachers 6th - 8th
Students play a game based on "The Amazing Race" to practice using rates and fractions. In this fractions and rates lesson, students work in small groups competing to complete the tasks in the quickest time. At each stage of the journey,...
Worksheet
Curated OER

Revision of the Four Rules (Decimals)

For Students 4th - 9th
Upper elementary and middle schoolers read through an explanation of how to divide, multiply, add and subtract numbers with decimals. They complete an exercise with 48 problems. Pupils can click on the "Check" box to determine whether or...
Worksheet
Curated OER

A Frightening Mix of Math, A-Add or Subtract, But Look Out for the Monsters

For Students 2nd - 3rd
In this math worksheet, students add and subtract. Fifteen problems are subtraction, students subtract two digit numbers from three digit numbers. Regrouping is required. Twenty-one problems are addition, students add two digit numbers...
Worksheet
Curated OER

Adding and Subtracting Fractions

For Students 4th - 6th
In this fractions worksheet, students practice adding and subtracting thirty-three fraction math and word problems. Students check their answers online as they go.
Worksheet
Curated OER

Quaternions

For Students 11th - 12th
For this quaternions worksheet, learners solve and complete 7 different problems. First, they read and identify quaternions as expressions in a given form of ordinary real numbers. Then, students add and subtract a few problems by doing...
Lesson Plan
Curated OER

How using number patterns help us add or subtract

For Teachers 2nd
Second graders use a number line to understand multiples.  In this number line lesson, 2nd graders use a floor size number line and calculate problems with multiples. Students complete a worksheet with multiples.
Lesson Plan
Curated OER

Pattern Puzzles

For Teachers 1st - 2nd
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Worksheet
Curated OER

Counting by 3s, 4s, and 5s

For Students 1st - 2nd Standards
Skip count along the mushrooms to complete these number sentences which give young scholars an introductory look at addition and subtraction. Starting from five double-digit numbers, they subtract or add by threes, fours, and fives to...
Lesson Plan
Curated OER

Complex Numbers

For Teachers 10th - 12th
In this complex numbers worksheet, students write numbers as a multiple of i. They add and subtract imaginary numbers. Students write complex quotients in standard form. This three-page worksheet contains six problems.
Worksheet
Curated OER

Halloween Addition and Subtraction

For Students K - 1st
In this addition and subtraction worksheet, students add and subtract Halloween pictures that represent one digit numbers. Students complete 4 problems.
Unit Plan
Common Core, Inc.

Multi-Digit Whole Number Subtraction

For Teachers 3rd - 4th Standards
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
Lesson Plan
National Security Agency

Money Maters: Integers are Integral!

For Teachers 5th - 7th Standards
A thoroughly-written lesson plan and a plethora of worksheets about integers comprise this resource. Neophyte number crunchers learn to recognize integers, add and subtract them, and apply the concepts to the designing of a personal...
Worksheet
Curated OER

Add and Subtract Decimal Thousandths (F)

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.
Interactive
Curated OER

Subtracting Mixed Numbers

For Students 3rd - 6th
In this math worksheet, students subtract mixed numbers. Students find common denominators. They subtract the fractions and whole numbers.
Worksheet
Curated OER

Add or Subtract

For Students 6th - 10th
In this addition and subtraction activity, students add and subtract whole numbers and fractions and reduce the answers to the lowest terms. Students complete 4 problems.
Lesson Plan
Curated OER

Ten More and Ten Less

For Teachers K - 3rd
Get learners to analyze two-digit numbers based on place value, and use manipulatives to add and subtract both 1 and 10. A place value chart is available, and you can project it during guided practice. Through visualizing...
Worksheet
Curated OER

Adding and Subtracting Like Mixed Numbers (7)

For Students 5th
In this mixed number fractions worksheet, 5th graders add and subtract to solve the mixed number fractions. Students solve 10 fraction equations.
Lesson Plan
Curated OER

Computation with Fractions

For Teachers 4th - 6th
Upper graders are introduced to the topic of fractions and percentages. In groups, they discuss real world situations in which fractions are present, and they complete a worksheet solving problems with common and uncommon denominators....

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