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Organizer
Curated OER

Decimal Quiz: Adding and Subtracting

For Students 6th
In this decimal quiz:  adding and subtracting activity, 6th graders solve eight equations, then use a chart to answer seven questions about the data.
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Worksheet
Curated OER

Addition and Subtraction

For Students 5th - 7th
In this addition and subtraction activity, students add and subtract three and four-digit numbers with decimals. They justify their answers. This two-page activity contains approximately 12 problems.
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Worksheet
Curated OER

Decimal Addition and Subtraction

For Students 3rd - 5th
In this decimal addition and subtraction practice worksheet, students use their problem solving skills to solve 24 problems that require them to add and subtract decimals with up to 3 decimal places.
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Worksheet
Curated OER

Decimal Addition and Subtraction 2

For Students 3rd - 5th
In this decimal addition and subtraction practice learning exercise, students use their problem solving skills to solve 12 problems that require them to add and subtract decimals with up to 1 and 2 decimal places.
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Lesson Plan
Curated OER

Pipe Music With Decimals

For Teachers 7th - 8th
Students discuss strategies for solving problems with decimals. They find the sum of problems through recognizing place value and by practicing adding numbers both vertically and horizontally. They read and solve real life word...
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Interactive
Curated OER

Adding Decimals

For Students 3rd - 5th
In this decimal activity, students complete a total of 4 decimal addition problems. A sample problem and reference web site to additional activities are given.
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Worksheet
Lane Community College

Review Sheets: Basic Mathematics 1

For Students 5th - 8th Standards
Here is a learning exercise that is 3/4 fraction practice and 1/4 skills guide. The problems are organized by concept and each section bullet points the skills needed to accomplish them. The problems are straightforward practice with...
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Lesson Plan
Curated OER

Number Sense

For Teachers 1st
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences instructional activity, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
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Worksheet
Curated OER

My Test Book: Decimal Addition and Subtraction

For Students 4th - 6th
In this math skills worksheet, students solve 10 multiple choice math problems that require them to add and subtract using decimals. Students may view the correct answers.
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Worksheet
Curated OER

Arithmetic: Fractions

For Students 7th - 10th
In this fraction instructional activity, students add and subtract fractions with unlike denominators.  They multiply and divide fractions.  This one-page instructional activity is designed for mental math.  It contains 30 problems, with...
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Lesson Plan
Curated OER

Buying and Budgets

For Teachers 4th
Fourth graders add and subtract decimals as they use a table to solve budget based problems.
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Lesson Plan
Curated OER

Beanie Baby Bonanza

For Teachers 3rd
Third graders add and subtract decimals.  For this third grade mathematics lesson, 3rd graders are given an imaginary $100 to purchase five Beanie Babies.  Students determine which five they would like to purchase and estimate the...
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Lesson Plan
Curated OER

Addition and Subtraction Pick n Mix 2

For Teachers 4th
Fourth graders practice a wide range of strategies for solving addition and subtraction problems containing decimal fractions. They add and subtract fractions, decimals and integers while generalizing the properties of operations with...
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Worksheet
Curated OER

Fraction Word Problems Online 1

For Students 4th - 6th
Young learners complete word problems where they add, subtract, and work with fractions. They complete 10 multiple choice questions.
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Interactive
Curated OER

Subtracting Large Numbers With Decimals

For Students 5th
In this subtracting large numbers with decimals activity, 5th graders solve 10 subtraction problems with decimals and 4 to 7 digit numbers in multiple choice format, answers can be shown online.
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Worksheet
Curated OER

Addition of Decimals

For Students 4th - 5th
In this addition of decimals worksheet, students solve 9 addition problems only in their heads and write down their answers. Students add $5.99 to 8 amounts of money and $9.99 to 4 amounts of money.
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Worksheet
Curated OER

Estimating With Decimals

For Students 4th - 8th
In this math instructional activity, students complete 14 problems where they estimate money amounts and multiplication products using numbers with decimals. Examples are provided in this well-designed instructional activity.
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Worksheet
Curated OER

Decimal Fractions With a Calculator

For Students 4th - 6th
In this decimal fractions worksheet, students read about using the multiply or divide keys of a calculator to change decimal fractions, then use the add or subtract keys to complete a different set of problems.
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Lesson Plan
Willow Tree

Rational vs. Irrational Numbers

For Students 7th - 10th Standards
Build an understanding of rational numbers and their counterpart irrational numbers. Lead learners through an explanation of rational numbers and the ways they can be expressed. Then introduce them to irrational numbers and make...
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Lesson Plan
Curated OER

Jambalaya's Restaurant

For Teachers 6th - 8th
Young scholars 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. Young scholars figure slaes...
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Worksheet
Curated OER

Fractions and Percentages extra exercises 4.1

For Students 4th - 5th
In this working with fraction and percentage worksheet, students complete fractions, write fractions in simplest form, write fractions in order of size, calculate fractions of whole numbers, solve word problems, add and subtract...
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Worksheet
Curated OER

Decimals in the Garden

For Students 3rd - 4th
In this math learning exercise, students are given pictures of garden tools and prices (in pounds). They select the items they would like to purchase for their garden and calculate the cost to buy these items. Students may use the...
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Lesson Plan
Curated OER

Adding and Subtracting Algebraic Expressions (Combining Like Terms)

For Teachers 6th - 7th
Everyone loves math when it includes food! This lesson plan tries to take the notion of combining like terms in algebra and comparing it to sorting apples and oranges. It takes a step-by-step approach to helping students understand this...
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Lesson Plan
Curated OER

A McTrip Back In Time

For Teachers 5th - 7th
Students pretend they are time-travellers and travel back to 1954 to a McDonald's Restaurant to see how prices have changed. They need to add and subtract money with regrouping.

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