Fact Fluency for Addition and Subtraction
The link below contains strategies you should use to reinforce strategy development to help with fact fluency. Research shows only 30% of the population are rote memorizers. Therefore, memorizing your facts is an ineffective strategy to improve fact fluency.
Once students have a strategy in place, you can implement flash cards and/or timed tests. However, you should only assess knowledge of facts in which students have mastered a strategy.
Games to Build Fact Fluency
Articles About Fact Fluency