Subtraction
Intermediate · 10 levels, 10 problems each.
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- 01 Intermediate
Two-digit warm-up
10 problems · 2 min - 02 Intermediate
Two-digit, always borrowing
10 problems · 3 min - 03 Intermediate
Three-digit, no borrowing
10 problems · 3 min - 04 Intermediate
Three-digit with borrowing
10 problems · 4 min - 05 Intermediate
Three-digit minus two-digit
10 problems · 4 min - 06 Intermediate
Missing number
10 problems · 4 min - 07 Intermediate
Three-digit mixed
10 problems · 4 min - 08 Intermediate
Bigger differences
10 problems · 4 min - 09 Intermediate
Four-digit, no borrowing
10 problems · 4 min - 10 Intermediate
Three-digit review
10 problems · 4 min