standard_description: Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size.
Grade 3 expectations in this domain are limited to fractions with denominators 2, 3, 4, 6, and 8.
problem_activity: Problem 1
Solve each problem in two different ways.
a.
$${3{1\over3} \times 1{1\over4}}$$
b.
$${5{2\over5} \times 3{4\over9}}$$
Problem 2
Which strategy was more efficient for each problem above? Explain.


aligns: no