Adding and Subtracting Fractions: 5 NF1 and 5 NF2

Three Basic Concept Models:

Bar Model
external image fraction_bars_screen_shot_from_Math_Playground_267_473_690_190.png


Area Model
external image original-1000072-1.jpg


Number Line


fractions on a number line
fractions on a number line



5 NF1 Add and Subtract fractions with unlike denominators including mixed numbers


File One: Fraction Bars








File Two: Area Models









File Three: Mixed Numbers and Number Lines:









File Four: Renaming, Decomposing, and Regrouping








5.NF.2 Word Problems: Fractions-Add and Subtract

File One: Reasonableness of Word Problem Answers






File Two: Solving Word Problems 1







File Three: Word Problems referring to the same whole:











File Four: Word Problems referring to the same whole 1:










File Five: Composing and Decomposing Fractions