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PPT
Curated OER

Subtracting Mixed Numbers: Lesson 4 - 5

For Teachers 4th - 5th
Subracting mixed numbers is the focus of this math presentation. The graphics, and explanations of the process are particularly good in this one. Many fine practice problems are present, and feedback is given for each answer arrived at....
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Worksheet
Curated OER

Missing Tens

For Students 1st - 2nd
Foster mental math skills with this activity; combine with 10-rods to modify. Twenty problems provide plenty of practice to master subracting by tens. Missing addends promote algebraic thinking. 
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Worksheet
Curated OER

Column Subraction with Four Digits

For Students 3rd - 4th
In this column subtraction with four digits worksheet, students solve fifteen subtraction problems using regrouping when it is needed.
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Lesson Plan
Curated OER

Subtracting With or Without Regrouping - Lesson & Worksheet

For Teachers 2nd
Second graders analyze subtraction problems. In this subtraction instructional activity, 2nd graders examine how to subtract numbers with and without regrouping. Students work in teams to complete board races.  Assessment is provided.
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Lesson Plan
Curated OER

Subtracting from Ten: Using Math with Music

For Teachers K - 1st
Students explore basic math functions by singing with their classmates. In this addition and subtraction instructional activity, students sing the song "5 Green and Speckled Frogs"and complete a list of subtraction problems. Students...
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PPT
Curated OER

Fractions VIII: Subtacting Like Denominators

For Teachers 2nd - 3rd
View this presentation, which introduces the concepts of fractions, the parts of fractions, how to subract fractions with common denominators, and how to simplify the answers into lowest terms with your class. Use for an introduction or...
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Worksheet
Curated OER

Adding and Subtracting Rational Expressions

For Students 9th - 11th
In this algebra worksheet, students add and subtract rational expressions using the LCM. They combine like denominators before they add and subtract the expressions. There are 8 questions.
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Lesson Plan
Curated OER

Factor Fun for Fifth Graders

For Teachers 5th
Fifth graders explore common factors. In this factorization lesson, 5th graders discover the greatest common factor among two numbers in a game format. Students build on previous knowledge to determine the greatest common factor.
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Worksheet
Curated OER

Real Life Word Problems

For Students 1st - 3rd
Use word problems incorporating familiar items to help your young mathematicians practice adding and subtracting. This 2-page basic math worksheet includes 20 word problems. For each, they underline the important parts, including the...
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Worksheet
Curated OER

Family Activity: Adding and Subtracting Decimals

For Students 5th - 6th
In this math worksheet, students work at home with a family member to add and subtract decimals in a sample check register. Students add deposits, subtract withdrawals and determine the balance of the account.
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Worksheet
Curated OER

Adding/Subtracting - More Than/Less Than

For Students 1st - 3rd
In this addition and subtraction worksheet, students answer the 20 questions on the page in which they are asked to write down a number that is one more or one less than the specified number. The answers are on the second page.
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Worksheet
Curated OER

Solving One-Step Addition Algebraic Equations

For Students 8th - 9th
In this algebraic equations worksheet, students solve nine one-step linear equations by subtracting.  A sample problem is provided as well as the solutions.
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Worksheet
Curated OER

Subtraction: Missing Numbers

For Students K - 2nd
In this subtraction practice worksheet, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Worksheet
Curated OER

Subtraction: Missing Numbers 2

For Students K - 2nd
In this subtraction practice instructional activity, learners use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Worksheet
Curated OER

Subtraction: Missing Numbers 3

For Students K - 2nd
In this subtraction practice worksheet, students use the counting bocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Worksheet
Curated OER

Subtraction: Missing Numbers 4

For Students K - 2nd
In this subtraction practice instructional activity, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Worksheet
Curated OER

Subtraction: Missing Numbers 5

For Students K - 2nd
In this subtraction practice instructional activity, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Worksheet
Curated OER

Subtraction: Missing Numbers 6

For Students K - 2nd
In this subtraction practice activity, students use the counting blocks to help them solve 8 problems that require them to fill in the missing numbers in the subtraction sentences.
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Worksheet
Curated OER

Subtraction: Fill in the Blank

For Students 1st - 3rd
In this subtraction practice worksheets, students use their problems solving skills to solve 25 problems that require them to fill in the missing numbers in the subtraction problems.
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Worksheet
Curated OER

Solving One-Step Equations 1

For Students 7th - 9th
In this equations worksheet, learners solve one step equations by using one of the four operations. The pages are organized so the addition/subtraction problems are on one page and the multiplication/division problems are on the second...
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Lesson Plan
Curated OER

Ten Sly Piranhas: A Counting Story in Reverse

For Teachers 2nd - 3rd
Students solve related addition and subtraction problems. In this addition and subtraction lesson plan, students use the book Ten Sly Piranhas by William Wise as the source of word problems for students to solve.
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Worksheet
Curated OER

Subtraction 2-Digits from 4

For Students 2nd - 3rd
For this subtraction worksheet, students solve a total of 30 problems, subtracting 2-digits numbers from 4-digit numbers. A website reference for additional activities is given.
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Worksheet
Curated OER

Subtracting 10 from 2-Digit (1)

For Students 1st - 2nd
In this two digit subtraction learning exercise, students complete the twenty equations by subtracting the number ten from the given two-digit number.
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Worksheet
Curated OER

Adding and Subtracting Fractions/Mixed Numbers (1)

For Students 6th - 7th
In this math worksheet, students solve 10 problems in which fractions and mixed numbers with unlike denominators are added and subtracted. Every problem has 3 numbers to be both added and subtracted. Denominators are often two digits.

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