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Your search returned 3 results.
Subject Area: Mathematics (NYS P-12 Common Core)
Grades: Intermediate, 5th Grade
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.)
Subject Area: Mathematics (NYS P-12 Common Core)
Grades: Intermediate, 5th Grade
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.
Subject Area: Mathematics (NYS P-12 Common Core)
Grades: Intermediate, 7th Grade
Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.
Your search returned 3 results.
