Practicing until achieving several error-free attempts is critical for retention. While this may seem like an old idea, research confirms that working many practice problems really is an important part of learning math. When learners work independently to repeatedly recall and practice (retrieval practice) new material that is beyond their current level of expertise, they become fluent in the skill and are able to recall it automatically.
Videos are chosen as examples of strategies in action. These choices are not endorsements of the products or evidence of use of research to develop the feature.
See how Multiplications with Math Mathews includes a practice session of multiplication facts before gameplay. By allowing learners to choose which facts they review, these apps encourage learners to take ownership of knowing what they need to practice to build their Arithmetic Fact Retrieval.