Mixed operations
Intermediate · 10 levels, 10 problems each.
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- 01 Intermediate
Two-digit warm-up
10 problems · 2 min - 02 Intermediate
Add, subtract or multiply
10 problems · 3 min - 03 Intermediate
All four, two-digit
10 problems · 3 min - 04 Intermediate
Three-digit add or subtract
10 problems · 4 min - 05 Intermediate
Three-digit, three symbols
10 problems · 4 min - 06 Intermediate
Missing number
10 problems · 4 min - 07 Intermediate
All four, three-digit
10 problems · 4 min - 08 Intermediate
Wider second number
10 problems · 4 min - 09 Intermediate
Four-digit add or subtract
10 problems · 5 min - 10 Intermediate
Three-digit review
10 problems · 4 min