Common Core
3.NBT.A.3
2 lessons teach this standard. Every lesson is interactive, and every one prints as a worksheet with a separate answer key.
Grade 3 Math · Chapter 3 · Lesson 6
Multiplying by Multiples of Ten
Multiply the digits, then count the tens.
Grade 3 Math · Chapter 3 · Lesson 11
Multiplying by One Digit, Written Out
Multiply the ones, then the tens. Carry between them.