3.NBT.A.3 Workbooks
CCSS.MATH.CONTENT.3.NBT.A.3
:"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."
These workbooks can help students practice this Common Core State Standards skill.