standard_description: Use decimal notation for fractions with denominators 10 or 100. For example, rewrite 0.62 as 62/100; describe a length as 0.62 meters; locate 0.62 on a number line diagram.
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
Solve. Show or explain your work.
a.
$${{2\over3} }$$
of
$${{4\over5}}$$
b.
$${{4\over9}}\times \frac{5}{8}$$
Problem 2
A farmer’s land measures
$${{7\over8}}$$
of a mile long and
$${{4\over5}}$$
of a mile wide. What is the area, in square miles, of the farmer’s land?


aligns: no