Percent-of-number drills from 1-digit warmups to 2-digit percent of 3-digit values. 15 progressive levels.
Why this matters
Tips, taxes, sale prices, interest rates, and exam scores all become easier to check mentally.
Levels Cleared
0%
Group 1
Count Down
Score 100 in 57s
1d% of 1d (easy)
Reach Target
Reach 150 pts in 58s
1d% of 1d (harder)
Last Problems
Last for 18 problems
1d% of 2d (no carry)
Last Time
Last for 43 seconds
1d% of 2d (carry)
Beat The Clock
Get 12 correct in 57s
1d% of 2d mastery (X >= 6, carry)
Group 2
Count Down
Score 115 in 54s
1d% of 3d (no carry)
Reach Target
Reach 173 pts in 56s
1d% of 3d (tens carry)
Last Problems
Last for 21 problems
1d% of 3d (both carry)
Last Time
Last for 41 seconds
1d% of 3d (any)
Beat The Clock
Get 14 correct in 54s
1d% of 3d mastery (X >= 6, both carries)
Group 3
Count Down
Score 130 in 51s
2d% of 3d (small)
Reach Target
Reach 195 pts in 54s
2d% of 3d (digits 1-3)
Last Problems
Last for 24 problems
2d% of 3d (mid tens)
Last Time
Last for 39 seconds
2d% of 3d (wide)
Beat The Clock
Get 16 correct in 51s
2d% of 3d mastery (X tens 4-6)