5th Grade Games - Use equivalent fractions as a strategy to add and subtract fractions.


Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12. (In general, a/b + c/d = (ad + bc)/bd.)


Solve word problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators, e.g., by using visual fraction models or equations to represent the problem. Use benchmark fractions and number sense of fractions to estimate mentally and assess the reasonableness of answers. For example, recognize an incorrect result 2/5 + 1/2 = 3/7, by observing that 3/7 < 1/2.


Screenshot Name / Description Flag? Rating
Speedway Fractions
Add fractions to make your car go faster and win the race!
Football Fractions
Complete football passes and add fractions with unlike denominators
Eqyptian Fraction Addition
Visually add fractions with unlike denominators.

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