De-emphasis of rote work. We believe that children must indeed learn their math facts, but we de-emphasize rote memorization and the frequent administration of timed tests. Both of these can produce undesirable results. Instead, our goal here is that students learn that they can find answers easily using strategies they understand.Math-content types like us, along with cognitive scientists, believe in practice, practice, practice: Q: How long does it take for Mozart to become Mozart? A: 10 years of 12-hour a day practice.
source: TRAILBLAZERS Teacher Implementation Guide