standard_description: Apply and extend previous understandings of multiplication to multiply a fraction by a whole number.
Grade 4 expectations in this domain are limited to fractions with denominators 2, 3, 4, 5, 6, 8, 10, 12, and 100.
problem_activity: Problem 1
Arthur needs to sew 8 buttons onto his jacket. For each button, he’ll need
$$5\over 12$$
feet of thread. What is the total amount of thread, in inches, Arthur needs to sew on all 8 buttons?
Problem 2
A chef makes 37 servings of soup. Each serving is
$$2\frac {1}{4}$$
cups. How much soup, in cups, did the chef make in total?


aligns: yes