What is 12 * 11?
What is 12 * 11?
Approach: 12 * 10 + 12.
132. 120 + 12 = 132.
Follow-up: What is 13 * 11?
Key concepts: multiplication by 11.
What is 12 * 11?
Approach: 12 * 10 + 12.
132. 120 + 12 = 132.
Follow-up: What is 13 * 11?
Key concepts: multiplication by 11.