Strengthen multiplication fact fluency by teaching students to use a fact they already know to find one they don't. These slides introduce how a fact can be one group more or one group less than a known fact, then use a known fact and add or subtract a group to find the new one.
What's included:
Worked examples for multiples of 9 and 6, built from the known facts of 10 and 5
8 practice slides adding or subtracting a group from a known fact to solve a new one