Illustrative Mathematics: 4.nf Doubling Numerators and Denominators

The purpose of this task is to assess whether students understand the meaning of the numerator and the denominator in a fraction. This task is not appropriate for a high-stakes summative assessment, but it could be very helpful in gauging students' flexibility with the meaning of fractions. This task would benefit from representative examples of student work. This task would work well as the culmination of a set of tasks where students explore the meaning of fractions. Aligns with 4.NF.A.2.