3.NBT.A.3
Multiply one-digit whole numbers by multiples of 10 in the range 10–90 (e.g., 9 \times 80, 5 \times 60) using strategies based on place value and properties of operations.
Tasks
How Many Colored Pencils?
Multiply one-digit whole numbers by multiples of 10 in the range 10–90 (e.g., 9 \times 80, 5 \times 60) using strategies based on place value and properties of operations.