standard_description: Multiply one-digit whole numbers by multiples of 10 in the range 10–90 (e.g., 9 × 80, 5 × 60) using strategies based on place value and properties of operations.
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