Curated OER
Math Cross--Puzzle #5
In this inches and feet instructional activity, students fill in a math crossword puzzle as they solve twenty-eight addition, subtraction and multiplication problems involving inches and feet.
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Math Cross--Puzzle #2
In this number patterns worksheet, students fill in a crossword puzzle as they solve twenty-eight addition, subtraction and multiplication math problems.
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Integers - Graphical Representation
In this integers of graphical representation worksheet, 7th graders solve 23 various types of problems that include graphing on a number line and writing an integer to represent each statement given. Then they write an equation using...
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Adding and Subtracting Fractions with Like and Unlike Denominators
In this math worksheet, students compute with fractions. Five of the problems involve common denominators. Four of the problems require students to first find the common denominator. Six problems are multiple choice. One problem involves...
Math Mammoth
Number Line Jumps
In this math learning exercise, learners write addition and subtraction sentences for eight word problems involving integers. Students use a number line to find the answer to the problem. Learners complete addition and subtraction with...
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Beginning Subtraction #1
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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Addition and Subtraction Worksheet 3
In this math worksheet, students solve thirty addition and subtraction problems. The problems contain one-digit and two-digit numbers.
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Subtracting Mixed Numbers (1)
In this math worksheet, students solve ten subtraction problems. For each problem, students must subtract mixed numbers that include fractions and whole numbers.
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Cursed Patterns
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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Subtraction: Fill in the Gaps 3
In this mathematical subtraction worksheet, students problem solve eighty subtraction equations by filling in the blanks with numbers that when subtracted from the other given numbers will equal the answer shown.
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Adding/Subtracting Integers
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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Subtraction-There's Got to be An Easier Way!
Third graders observe and demonstrate a variety of problems involving subtraction problems using mental math strategies. They discuss the base ten system and the basic concept of subtraction, and complete a variety of activities...
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Shipping on the Hudson
Students track movements of ships, tugboats, and barges on the Hudson River estuary in order to practice addition and subtraction skills. They solve word problems by reading and interpreting data from a table. They calculate distances...
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Jambalaya's Restaurant
Learners use a menu and recipes to work on adding, subtracting, and percentages. They are given they weekly circulators, advertisements, or actual products and students practice figuring out sales tax. Learners figure slaes tax and tip...
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Writing Number Sentences
Learners practice writing number sentences. After reading real world problems, they describe the same situation by writing a number sentence. Students use algebra tiles, or counters, to demonstrate the use zero pairs in solving...
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Number Lines and Bead Strings
Students solve addition and subtraction problems using strings of beads and number lines. They mentally perform addition and subtraction problems, and write and solve story problems involving whole numbers.
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Mathville 1
In this addition and subtraction worksheet, 1st graders add fifteen pairs of numbers between one and ten. They subtract on five problems. Three subtraction problems require regrouping.
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Add and Subtract within 1000
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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Visual Sum and Difference Word Problems
Aside from awkward wording, this activity has problems for learners to solve. They read each problem then use the provided pictures to solve. Note: The images and language are misleading on this activity and may be confusing for some...
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Add and Subtract within 20 - Independent Practice
Although this worksheet says it contains addition and subtraction within 20, it doesn't. Learners will have to add and subtract double-digit numbers with answers up to at least 30. However, it does provide good practice.
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Addition and Subtraction Word Problems Guided Lesson
Using visuals helps young mathematicians grasp concepts such as addition and subtraction. Here, they use just that to solve three scenarios. In the first scenario, three turtles leave a group of five, and learners determine how many are...
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Visual Sum and Difference Word Problems - Independent Practice
The ten prompts on this worksheet are intended for independent practice with addition and subtraction of numbers up to 3000. Space is provided for pupils to illustrate their work. The confusing wording of some the problems would be a...
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Visual Sum and Difference Word Problems - Matching Worksheet
Third grade mathematicians match the correct answer to eight word problems that ask them to add and subtract three-digit numbers. Beware the typos and the complex wording of the problems.
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Simplify Expression Using the Order of Operations
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...