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Interactive
Curated OER

Subtracting Decimals

For Students 5th
In this interactive subtracting decimals worksheet, 5th graders solve 10 problems where they must subtract 3 or 4 digit decimals. Students will receive immediate online feedback when they submit their answers.
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Interactive
Curated OER

Percentages

For Students 9th
In this Algebra I learning exercise, 9th graders solve percent problems in which they are given the part and the whole and find the missing percentage.  The one page interactive learning exercise contains ten problems.  Answers and a...
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Interactive
Curated OER

Circles

For Students 10th
In this geometry worksheet, 10th graders determine the circumference and area of a circle given either the diameter or the radius. The one page interactive worksheet contains ten questions. Answers and hints are included. 
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Interactive
Curated OER

Cones

For Students 10th
In this geometry activity, 10th graders determine the volume of a cone, given either the diameter or radius and the height. The one page interactive activity contains ten questions. Answers and hints are included. 
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Interactive
Curated OER

Ten Law of Sines Problems

For Students 8th - 10th
In this law of sines worksheet, learners use the law of sines to solve for the missing side or angle in ten problems.  A diagram is provided.
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Interactive
Curated OER

Complex Number Subtraction

For Students 10th - 12th
In this subtraction learning exercise, students find the difference of complex numbers.  This one-page learning exercise contains 10 problems.  Answers are provided.
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Interactive
Curated OER

Fractions Two-Step Word Problems-Mixed Numbers

For Students 5th - 10th
In this fractions worksheet, students complete word problems containing fractions and mixed numbers. Students complete 12 problems.
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Interactive
Curated OER

Sixteen Mutually Exclusive Probability Problems

For Students 6th - 10th
In this mutually exclusive probability worksheet, students solve for the probability of sixteen mutually exclusive events.  A short explanation is provided.  Additionally students can find hints and check their solutions by using the...
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Interactive
Curated OER

Changing Fractions to Percents

For Students 5th - 6th
In this fractions to percents worksheet, students solve 6 problems, converting fractions given to percentages. Students may click on hint or check answer buttons.
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Interactive
Curated OER

Subtracting Decimals

For Students 4th - 5th
In this decimal worksheet, students solve 1 decimal subtraction problem, then use the tab button to advance through additional problems. Answers and hints are available on-line; a reference web site for additional resources is given.