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- Grade Range
- 8th
- Rating
Students find common denominators and add fractions with different denominators correctly. They demonstrate understanding of the meaning of denominator, fractions, and common denominator through pictures or a written exercise. Full Review »
- Grade Range
- 4th - 6th
- Rating
Students add fractions with different denominators, by finding the lowest common denominator by using prime factors. Full Review »
- Grade Range
- 3rd
- Rating
Students are shown an alternative method of determining the lowest common denominator of two or more unequal denominators. They complete a worksheet. Full Review »
- Grade Range
- 3rd - 8th
- Rating
Students use felt board in the shape of fractions to discover common denominators. They practice adding two fractions together after determining the denominator. Full Review »
- Grade Range
- 3rd - 5th
- Rating
Students use Cuisenaire Rods to find a common denominator and for adding and subtracting unlike denominators. Full Review »
- Grade Range
- 3rd - 5th
- Rating
Students write fractions, find least common denominators, add and subtract fractions with like and unlike denominators. They follow a cookie recipe using knowledge of fractions to change the recipe. Full Review »
- Grade Range
- 4th
- Rating
Students participate in direct and guided instruction in adding and subtracting fractions with common denominators. They use counters and fraction strips to practice. Finally, they complete student practice worksheets using the manipulatives. Full Review »
- Grade Range
- 4th
- Rating
Students use the problems solving process to solve a math word problem involving whole numbers and fractions with common denominators. They read the problem together and underline the key words, write a possible number sentence, and write their problem solving steps in complete sentences. Full Review »
- Grade Range
- 7th
- Rating
Students practice adding and subtracting with common fractions including lowest common denominator and least common multiple. They incorporate fraction kits and calculators to assist them with their equations as well as a multitude of strategies to try out within this lesson. Full Review »
- Grade Range
- 6th
- Rating
Students practice finding common denominators using dominoes both online and with hands-on sets. They use chips and dominoes to add fractions by following the given steps. They look at the denominators while determining how many dominoes and chips they would need to make common denominators and then add the fractions. Full Review »
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