Duplex drills, then 2-digit through 4-digit square practice. 30 progressive levels.
Why this matters
Squares show up in area, statistics, distance estimates, and nearby multiplication shortcuts.
Levels Cleared
0%
Group 1
Count Down
Score 100 in 57s
Easy squares (2-20)
Reach Target
Reach 150 pts in 58s
Duplex 1-2 digit
Last Problems
Last for 18 problems
Duplex 3-digit (1-5)
Last Time
Last for 43 seconds
Duplex 3-digit (1-9)
Beat The Clock
Get 12 correct in 57s
Duplex 3-digit (mastery, U >= 4)
Group 2
Count Down
Score 115 in 54s
2d square (small digits)
Reach Target
Reach 173 pts in 56s
2d square (mid units)
Last Problems
Last for 21 problems
2d square (large units)
Last Time
Last for 41 seconds
2d square (any)
Beat The Clock
Get 14 correct in 54s
2d square mastery (digits 4-9)
Group 3
Count Down
Score 130 in 51s
3d square (easy mental)
Reach Target
Reach 195 pts in 54s
3d square digits 1-3
Last Problems
Last for 24 problems
3d square H:4-6 TU:1-3
Last Time
Last for 39 seconds
3d square H:4-6 U:1-6
Beat The Clock
Get 16 correct in 51s
3d square mastery H:4-6
Group 4
Count Down
Score 145 in 48s
3d square H:4-6 TU:1-6
Reach Target
Reach 218 pts in 52s
3d square H:7-9 TU:1-6
Last Problems
Last for 27 problems
3d square H:7-9 U:7-9
Last Time
Last for 37 seconds
3d square H:7-9 (any)
Beat The Clock
Get 18 correct in 48s
3d square mastery H:7-9
Group 5
Count Down
Score 160 in 45s
4d square D1:1-2 (small)
Reach Target
Reach 240 pts in 50s
4d square digits 1-3
Last Problems
Last for 30 problems
4d square D1:4-6 (low)
Last Time
Last for 35 seconds
4d square D1:4-6 D4:4-6
Beat The Clock
Get 20 correct in 45s
4d square mastery D1:4-6
Group 6
Count Down
Score 175 in 42s
4d square D1:7-9 (low)
Reach Target
Reach 263 pts in 48s
4d square D1:7-9 (mid)
Last Problems
Last for 33 problems
4d square D1:7-9 D4:7-9
Last Time
Last for 33 seconds
4d square full range
Beat The Clock
Get 22 correct in 42s
4d square mastery (lead 5-9)