Great Quantitative Reasoning practice, or assessment.
This is a process to help students work out word problems, by using a variety of ways to show their understanding.
This problem addresses the Common Core Standard for Grade 4 number 2:
Developing an understanding of fraction equivalence, addition and subtraction of fractions with like denominators, and multiplication of fractions by whole numbers
This math problem, using QR, calls for students to use the following math practices:
Mathematical Practices ( 1,2,4,5,6, )
1. Make sense of problems and persevere in solving them.
2. Reason abstractly and quantitatively..
4. Model with mathematics.
5. Use appropriate tools strategically.
6. Attend to precision.
Manuela Ippolito (teacherippolito.com)