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Topic 7: Addition/Subtraction of Fractions


The following GLEs are addressed in Topic 7 of Newton’s Classroom at the levels noted.

Grade 5

  2.    Recognize, explain, and compute equivalent fractions for common fractions
(in levels 1, 2)
  3.  Add and subtract fractions with common denominators and use mental math to determine whether the answer is reasonable (in levels 2, 3)
  5.  Read, explain, and write a numerical representation for positive improper fractions, mixed numbers, and decimals from a pictorial representation and
vice versa (in levels 1, 2, 3)
Grade 6
  2.    Determine common factors and common multiples for pairs of whole numbers (in levels 1, 2, 3)
  3.    Find the greatest common factor (GCF) and least common multiple (LCM) for whole numbers in the context of problem-solving  (in levels 1, 2, 3)
  9.    Add and subtract fractions and decimals in real-life situations (in levels 2, 3)
Grade 7
  7.     Select and discuss appropriate operations and solve single- and multi-step, real-life problems involving positive fractions, percents, mixed numbers, decimals, and positive and negative integers (in levels 1, 2, 3)