1d x 1d (easy)
known multiplication fact
1d x 1d (hard)
known multiplication fact
2d x 1d (no carry)
2x1 window product
2d x 1d (with carry)
2x1 window product
2d x 1d (mastery)
2x1 window product
2d x 2d (no tens carry)
2x2 window scan
2d x 2d (small digits)
2x2 window scan
2d x 2d (medium digits)
2x2 window scan
2d x 2d (any)
2x2 window scan
2d x 2d (mastery)
2x2 window scan
3d x 1d (no carry)
multi-digit window train
3d x 1d (tens carry)
multi-digit window train
3d x 1d (both carry)
multi-digit window train
3d x 1d (any)
multi-digit window train
3d x 1d (mastery)
multi-digit window train
3d x 3d (minimal carry)
multi-digit window train
3d x 3d (small)
multi-digit window train
3d x 3d (medium hundreds)
multi-digit window train
3d x 3d (mixed)
multi-digit window train
3d x 3d (mixed mastery)
multi-digit window train
3d x 3d (medium all)
multi-digit window train
3d x 3d (large hundreds)
multi-digit window train
3d x 3d (large h and u)
multi-digit window train
3d x 3d (full range)
multi-digit window train
3d x 3d (mastery)
multi-digit window train
4d x 4d (tiny digits)
multi-digit window train
4d x 4d (small)
multi-digit window train
4d x 4d (medium th)
multi-digit window train
4d x 4d (medium th and u)
multi-digit window train
4d x 4d (full range mastery)
multi-digit window train