Illustrative Mathematics
Illustrative Mathematics: 4.nf Cynthia's Perfect Punch
Cynthia is making her famous "Perfect Punch" for a party. After looking through the recipe, Cynthia explores mixed numbers to create it.
Illustrative Mathematics
Illustrative Mathematics: 4.nf Peaches
This task provides a context where it is appropriate for students to subtract fractions with a common denominator; it could be used for either assessment or instructional purposes. Aligns with 4.NF.B.3.c.
Illustrative Mathematics
Illustrative Mathematics: 4.nf Plastic Building Blocks
The purpose of this task is to have students add mixed numbers with like denominators. Aligns with 4.NF.B.3.c.
Illustrative Mathematics
Illustrative Mathematics: 4.nf Writing a Mixed Number as an Equivalent Fraction
The purpose of this task is to help students understand and articulate the reasons for the steps in the usual algorithm for converting a mixed number into an equivalent fraction. Aligns with 4.NF.B.3.c.