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Worksheet
Curated OER

Adding and Subtracting Fractions [C]

For Students 4th - 5th
In this fraction worksheet, learners add or subtract like fractions, 10 problems total. Answers are included on page 2 and a link to more worksheets is present.
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Lesson Plan
Curated OER

Weather In The World

For Teachers 6th - 7th
Students investigate the weather in different places in the world. In this algebra lesson, students use technology to gain an understanding of how to study integers. They add and subtract integers on a number line.
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Worksheet
Curated OER

Repeated Subtraction

For Students 1st - 3rd
Learners can find the difference using repeated subtraction. This set of 6 word problems encourages them to use repeated subtraction as the primary problem solving strategy.
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Worksheet
Curated OER

Colorful Math - Subtraction Facts to 20

For Students 1st - 2nd
Parrots are colorful birds and make for some colorful math. Learners subtract to find answers in order to determine how the parrot should be colored. There are 16 problems to solve.
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Worksheet
Curated OER

Subtract Decimal Ten Thousandths (A)

For Students 3rd - 4th
In this mathematics worksheet, students solve a number of problems by subtracting decimals to the ten thousandths place. There are 32 problems to solve on the sheet.
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Lesson Plan
Curated OER

Adding and Subtracting Polynomials

For Teachers 9th - 10th
In this polynomial worksheet, students practice collecting like terms and then adding or subtracting the polynomial. This one-page worksheet contains 15 problems, with answers.
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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...
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Lesson Plan
Curated OER

Videobusters

For Teachers 8th - 10th
A real-world scenario, Videobusters, a video rental store has just got to get organized. In small groups, the class works on organizing and analyzing data utilizing matrices. They need to use their skills in adding, subtracting and...
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Lesson Plan
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Alabama Learning Exchange

Swim the Open Sea: Analyzing Duel Vectors

For Teachers 10th - 12th Standards
This dual vector lesson has the class watch a video about a person's swim of the English Channel. The class then uses a computer program to analyze dual vectors of wind's effect on a flight path of a plane as compared to the water...
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Lesson Plan
Curated OER

Vectors: Follow That Arrow

For Teachers 9th - 12th
Vectors and their connection to motion. A video will be presented to provide information for the class to use methods of solving vectors with and without grids. Real-world physical concepts will be explored in reference to vectors.
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Lesson Plan
Curated OER

Matrices: A Secret Weapon

For Teachers 9th - 11th
Students perform operations with matrices. In this algebra lesson plan, students use cryptography and cryptanalysis to solve problems. They add, subtract, and multiply matrices.
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Lesson Plan
Curated OER

Checking Addition and Subtraction by Estimation

For Teachers 5th - 6th
In this mathematics worksheet, students solve various equations using different methods. They estimate each answer by checking the additions and subtractions given for each. Then, students write in the decision column wither definitely...
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Lesson Plan
Curated OER

Subtraction

For Teachers 1st - 2nd
Students explore subtraction. In this mathematics lesson, students practice how to subtract numbers from 20, 100 and other whole numbers. Students realize that there are number bonds which can help with subtraction like 3 and 17 bonds to...
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Organizer
Curated OER

Subtraction Pictures

For Students 2nd
In this subtraction worksheet, 2nd graders solve 13 basic subtraction problems. Each problem includes single digit subtraction facts in which students must draw a picture below showing subtraction by crossing off parts off objects. 
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Worksheet
Curated OER

Order of Operations 1

For Students 7th - 9th
In this order of operations worksheet, students use the order of operations to solve given equations containing multiple operations. This two-page worksheet contains 16 problems. Answers are provided on the last page.
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Worksheet
Curated OER

Subtraction is 'Taking Away'

For Students 2nd
In this subtraction worksheet, 2nd graders read two examples of how to do subtraction. The examples include pictures with crossing out steps to model subtraction. Students must solve 6 problems the same way the examples show.
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Lesson Plan
Curated OER

Subtracting Mixed Numbers

For Teachers 5th
In this mixed numbers worksheet, 5th graders solve 10 mixed number subtraction problems. Helpful steps are included plus an example to guide them as they solve each problem.
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Worksheet
Curated OER

3-Digit Subtraction and Addition

For Students 2nd - 3rd
In this 3-digit subtraction and addition activity, students problem solve with regrouping. In this fill in the blank activity, students answer sixteen problems.
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Worksheet
Curated OER

Add or Subtract Part 2

For Students 4th - 5th
In this addition and subtraction worksheet, students write and solve 6 number sentences to find the answers to each word problem. Students write their answers in a sentence format.
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Worksheet
Curated OER

Beginning Subtraction #1

For Students K - 2nd
In this beginning subtraction learning exercise, models and short stories are given to assist the student with beginning subtraction. The student answers each problem in two ways, "how many are left" and in a formal subtraction...
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Worksheet
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Curated OER

Cursed Patterns

For Students 4th - 5th
In this scary mathematics worksheet, young mathematicians identify which of the patterns on the sheet are cursed. They fix the number that does not follow the pattern rule in each set.
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Worksheet
Curated OER

Adding/Subtracting Integers

For Students 7th - 8th
In this integer worksheet, 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.
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Worksheet
Curated OER

Add and Subtract within 1000

For Students 1st - 2nd
The visual nature of this instructional activity makes it ideal to project for an all-class warm up. Learners first complete two horizontal addition problems involving three-digit addends. Consider whether or not you will encourage them...
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Lesson Plan
Curated OER

Simplify Expression Using the Order of Operations

For Teachers 5th - 8th
Allow learners to explore both the right and wrong way of completing equations with the order of operations. They discuss how the order in which operations are performed affects the outcome of a problem. A fun "trick" using order of...