standard_description: Classify objects into given categories; count the numbers of objects in each category and sort the categories by count. (Limit category counts to be less than or equal to 10.)
problem_activity: Problem 2
Pre-unit
Find the value of each expression.
\(14 \times 7\)
\(13 \times 6\)
\(23 \times 4\)
\(85 \div 5\)


aligns: no