Illustrative Mathematics
Listing Fractions in Increasing Size
Increase the depth of your class's fractional number sense with this number-ordering activity. Given four fractions, each with different numerators and denominators, young learners are asked to place them in order from smallest to...
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Substituting Fractions
Fun with fractions! Fourth graders practice substituting and reducing fractions. The problems contain blank spaces and become more challenging as the activity progresses. Use this as a building block in your fractions lesson.
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Adding Fractions
Each of these 20 fraction pairs needs to be totaled, but that's not all there is to do! Scholars find the least common denominator first, then reduce the answer to simplest form if needed. These practice problems are excellent in the...
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Subtraction Fractions, Common Denominators
How many steps do you need to subtract fractions with common denominators? Thirty problems await your kids, all with outlined steps for easy solving. Some fractions need to be reduced, while others will be solved after one step. An...
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Reduction to Common Denominator #2
Elementary and secondary learners compare fractions that have uncommon denominators and add and subtract fractions that have common denominators. They practice reducing fractions and getting denominators to be the same so they can add...
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Half of a Half
After your math classes have been introduced to fractions (especially those with denominators of two, four, and eight), introduce them to fractions on a number line with this lesson. Using a meter length of tape, show your class where...
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Common Denominator Subtraction
In this fraction subtraction worksheet, students complete a set of 15 problems, subtracting fractions with common denominators. A reference web site is given for additional activities.
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Factor Fun for Fifth Graders
Fifth graders explore common factors. In this factorization lesson plan, 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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Adding and Subtracting Fractions
In this math worksheet, students add or subtract fractions. Students find common denominators where needed and simplify their answers. Hints are available.
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Subtracting Mixed Numbers
In this math worksheet, students subtract mixed numbers. Students find common denominators. They subtract the fractions and whole numbers.
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Adding and Subtracting Rational Expressions
In this adding and subtracting rational expressions activity, students solve 22 problems with complex denominators. Eight problems have common denominators, for the other 14, students must first multiply to find the common denominator.
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Common Denominator Worksheet
In this fractions instructional activity, students find the common denominators of the twelve given fractions on each of the ten pages.
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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...
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The 3 R's of Common Denominators (Language)
Learners solve various word problems that deal with common denominators, and write the mathematical explanations they used to obtain the solutions.
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Fraction Worksheet 1: Subtraction
In this subtraction worksheet, students complete 20 problems where they subtract fractions with common denominators. Answers are found by clicking a link.
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Fractions
In this math worksheet, students solve fraction problems. Students find equivalents, use common denominators, and explain their answers.
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Reduction to Common Denominator
Young scholars compare two fractions with different denominators. In this fractions lesson, students find the least common multiple in order to find a common denominator with two fractions. Once they have a common denominator, they...
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Adding and Subtracting Fractions
In this adding and subtracting fractions worksheet, students add and subtract fractions with common denominators. Students complete 10 problems total.
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Adding Fractions with Common Denominators
In this adding fractions activity, learners add fractions with common denominators and one or two digit numbers. Students complete 15 problems.
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Adding Fractions
For this fractions worksheet, students add fractions that contain common denominators. Students complete 3 addition of fraction problems.
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Common Denominator Practice #2
In this common denominator worksheet, students complete a total of 120 problems finding common denominators for pairs of fractions. Problems are set up 12 per page with 10 pages total.
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Common Denominator Practice
In this common denominator worksheet, students find the common denominators of pairs of fractions. Problems are set up 12 per page with 10 pages total.
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Common denominators
In this common denominators worksheet, pupils find common denominators for pairs of fractions. Students find common denominators for 4 pairs of fractions.
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Adding fractions
In this adding fractions worksheet, students find the common denominators and then add the fractions together. Students complete 10 problems.