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: Solve. Show or explain your work.
a.
$${4 \times 3{7\over8}}$$
b.
$${2\times 6{2\over5}}$$


aligns: yes