Grade 4 • Mathematics GT • Fractions

Grade 4 Mathematics GT

Fractions

Fraction Vocabulary

  • Numerator: the number above the line in a fraction; the numerator represents how many pieces of the whole, or how many parts of a set, that are discussed
  • Denominator: the number below the line in the fraction; the denominator represents the number of equal pieces the whole is broken into
  • Dividend: a number that is divided by another number
  • Divisor: the number by which a number is divided
  • Quotient:  the number, not including the remainder, that results from dividing
  • Mixed number: a number that is made up of a whole number and a fraction
  • Equivalent fraction: two or more fractions with the same value (Example: 1/2 = 2/4)
  • Addend: a number that is added to another in an addition problem.
  • Sum: the answer to an addition problem
  • Difference: the answer to a subtraction problem
  • Benchmark fraction: fractions that are commonly used for estimation: ¼, ⅓, ½, ⅔, and ¾
  • Inverse operation: two operations that undo each other (Example: addition and subtraction are inverse operations)
  • Reciprocal: a given number is a reciprocal of another number if the products of the numbers is one
  • Line plot: a graph that shows the frequency of data along a number line

Fraction Activities

  • Find examples of fractions around the house or neighborhood. Add, subtract, multiply, divide or simplify the fractions that you find.
  • Use measuring cups when baking or cooking. Discuss the amount of ½ , ⅓, or ¼ cups to complete a recipe that calls for whole cups.
  • Pick or create numbers to make fractions and mixed numbers.  Add, subtract, multiply, divide, or simplify using the fractions you created.
  • Create or pick numbers to make fractions.  Add, subtract, multiply and divide fractions then write a matching story problem.
  • Practice multiplication and division facts.

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