C-4.NF.3b Decompose a fraction into a sum of fractions Create (from 4.NF.3a)The running back and the with the Decompose a fraction into a sum of quarterback each ate 5 slices of pizza. The Justify decompositions, same denominator in Evaluate fractions with the same denominator tight end, offensive lineman and kicker ate more than one way in more than one way, recording each 3, 4 and 7 slices respectively. What decomposition by an equation. Justify fractional part of a pizza did each group By using a visual fraction decompositions, e.g., by using a visual eat? How many pizzas did these five players model. fraction model. Examples: 3/8 = 1/8 + consume? 1/8 + 1/8 ;3/8 = 1/8 + 2/8 ; 2 1/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8. C-4.NF.3c Add and subtract mixed By replacing each mixed Understand Recipes are an area where mixed numbers subtract numbers with number with an Add and subtract mixed numbers with come in to play. Calculate the amount of like equivalent fraction, like denominators, e.g., by replacing flour needed in all if someone wants to denominators and/or by using each mixed number with an make two separate cookie recipes. properties of operations equivalent fraction, and/or by using and the relationship properties of operations and the between addition and relationship between addition and subtraction subtraction.
C-4.NF.3b Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation. Justify decompositions, e.g., by using a visual fraction model. Examples: 3/8 = 1/8 + 1/8 + 1/8 ;3/8 = 1/8 + 2/8 ; 2 1/8 = 1 + 1 + 1/8 = 8/8 + 8/8 + 1/8. Decompose Justify a fraction decompositions, into a sum of fractions with the same denominator in more than one way By using a visual fraction model. Create Evaluate (from 4.NF.3a)The running back and the quarterback each ate 5 slices of pizza. The tight end, offensive lineman and kicker ate 3, 4 and 7 slices respectively. What fractional part of a pizza did each group eat? How many pizzas did these five players consume? C-4.NF.3c Add and subtract mixed numbers with like denominators, e.g., by replacing each mixed number with an equivalent fraction, and/or by using properties of operations and the relationship between addition and subtraction. Add and subtract subtract mixed numbers with like denominators By replacing each mixed number with an equivalent fraction, and/or by using properties of operations and the relationship between addition and subtraction Understand Recipes are an area where mixed numbers come in to play. Calculate the amount of flour needed in all if someone wants to make two separate cookie recipes.
Grade38CoachesMathUnpackingCharts.docx