Addition
Intermediate · 10 levels, 10 problems each.
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- 01 Intermediate
Two-digit warm-up
10 problems · 3 min - 02 Intermediate
Two-digit, always carrying
10 problems · 3 min - 03 Intermediate
Three addends
10 problems · 5 min - 04 Intermediate
Three-digit, no carrying
10 problems · 3 min - 05 Intermediate
Three-digit with carrying
10 problems · 4 min - 06 Intermediate
Mixed widths
10 problems · 4 min - 07 Intermediate
Missing addend
10 problems · 4 min - 08 Intermediate
Four addends
10 problems · 8 min - 09 Intermediate
Three-digit mixed
10 problems · 4 min - 10 Intermediate
Three-digit review
10 problems · 4 min