Curated OER
Add and Subtract Mixed Numbers Quiz
Use this mixed number learning exercise to have your charges complete a set of 13 problems, adding or subtracting mixed numbers. Answers are included on page 2, a reference web site is given for additional activities.
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Adding and Subtracting Fractions (C)
Use this fraction worksheet to have your mathematicians add and subtract mixed numbers and fractions, 10 problems total. Answers and a link to other worksheets on page 2.
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Adding and Subtracting Mixed Fractions (D)
Use this mixed number worksheet to have your charges complete a total of 10 problems using mixed numbers. Answers and link to additional worksheets included page 2.
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Adding and Subtracting Mixed Fractions (E)
Learners complete a total of 10 problems using mixed numbers. Answers and link to additional worksheets included page 2.
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Adding and Subtracting Mixed Fractions (H)
Fifth graders use this adding and subtracting mixed numbers activity to solve 10 problems using mixed numbers. Answers are included on page 2.
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Adding and Subtracting Mixed Fractions (I)
In this adding and subtracting mixed numbers worksheet, fifth graders solve 10 problems using mixed numbers. Answers are included on page 2.
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Adding and Subtracting Mixed Fractions (J)
Here is an adding and subtracting mixed numbers worksheet in which learners solve 10 problems using mixed numbers. Answers are included on page 2.
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Adding and Subtracting Mixed Fractions (G)
Use this adding and subtracting mixed numbers worksheet to have your kids solve 10 problems using mixed numbers. Answers are included on page 2.
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Add and Subtract with Unlike Denominators
For this adding and subtracting with unlike denominators worksheet, learners add and subtract fractions with unlike denominators. They complete six problems.
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Adding and Subtracting: Examples
If you'd like to show learners a variety of ways to solve addition and subtraction problems, consider this slide show. It contains several examples of four-digit addition and subtraction problems that are solved several ways. Vertical...
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Non Calculator Math Quiz
Here is a quiz which does not allow calculators. Kids solve a variety of problems that range from addition and subtraction of decimal numbers to probability and perimeter. There are 24 problems to solve. As stated on the resource, this...
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20 Questions: Math Questions
Here are 20 questions just waiting for a class to complete them. Each of the problems is either subtraction or addition, under or up to 20. Learners complete each question, then exchange papers for a peer to grade. Answers are included.
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Math Symbols
Some times simple is as good as gold. Early learners are introduced to the basic mathmatical symbols used to represent addition, subtraction, multiplication, division, and equals; each slide contains one large image of each symbol.
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Unknown Numbers in Sums and Differences
Beginners to addition and subtraction will have fun with these three word problems, which have accompanying visuals. They complete one problem with a missing difference, one with a missing sum, and a third with a missing subtrahend....
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Subtraction Word Problems
Budding mathematicians will work through a few word problems using the presented six-step comprehension strategy. They determine what the question is asking, which operation to use, and then solve the problem as a class.
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Positive-Negative Charge Model For Integers
Use two different colors of bingo chips to represent positive and negative charges. Add and subtract them in a clear glass beaker to demonstrate how to add and subtract integers. This visual, along with a number line, will really help...
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Add and Subtract Equations
One of these addition number sentences is incorrect: which one is it? Beginning mathematicians examine two simple equations, circling the one that is correct. An explanation on the bottom walks them through the processing, including...
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Who's On First?
Have you ever considered why the number 10 is so important to us? That's what learners do here. They explore patterns formed by powers of ten and by decimals, convert units of measure within the metric system, and express these in the...
Math Salamanders Ltd.
Column Subtraction - Money 4-Digits Sheet 1
Here is a column subtraction of money with four digits instructional activity in which youngsters solve 12 problems without regrouping and eight problems with regrouping.
Math Salamanders Ltd.
Column Subtraction - 5 Digits Sheet 4
Learners complete 15 problems by subtracting one 5-digit number from another. A reference website is given for additional activities.
Math Salamanders Ltd.
Column Subtraction - Money 3-digits Sheet 1
Elementary schoolers subtract 3-digit numbers representing money from each other. They complete 20 subtraction problems with decimals and regrouping.
Math Salamanders Ltd.
Column Subtraction - 3 Digits Sheet 1
In this column subtraction worksheet, learners review rules to help them complete three-digit subtraction. They then solve the equations using the column subtraction method.
Math Salamanders Ltd.
Column Subtraction—3-Digits Sheet 4
Young mathematicians practice subtraction in columns. They complete the instructional activity by solving fifteen three-digit subtraction problems.
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Handcarts - A Unique Form of Transportation
An interesting historical fact about how handcarts benefitted to the Mormon pioneers is the context behind this math lesson. Using given facts and figures regarding the handcart, pupil pairs create math word problems, share them with the...