Comparing and ordering
Intermediate · 10 levels, 10 problems each.
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- 01 Intermediate
Three-digit warm-up
10 problems · 2 min - 02 Intermediate
Four digits
10 problems · 2 min - 03 Intermediate
Four digits, close
10 problems · 2 min - 04 Intermediate
Four digits, equal often
10 problems · 2 min - 05 Intermediate
Five digits
10 problems · 3 min - 06 Intermediate
Five digits, close
10 problems · 3 min - 07 Intermediate
Mixed widths to five
10 problems · 3 min - 08 Intermediate
Six digits
10 problems · 3 min - 09 Intermediate
Six digits, close
10 problems · 3 min - 10 Intermediate
Six-digit review
10 problems · 3 min