Order of operations
Beginner · 10 levels, 10 problems each.
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- 01 Beginner
Times before plus
10 problems · 2 min - 02 Beginner
Plus, minus and times
10 problems · 2 min - 03 Beginner
Three numbers, to twelve
10 problems · 2 min - 04 Beginner
Brackets first
10 problems · 2 min - 05 Beginner
Brackets with minus
10 problems · 2 min - 06 Beginner
With or without brackets
10 problems · 3 min - 07 Beginner
Divide before add
10 problems · 3 min - 08 Beginner
Bigger numbers
10 problems · 3 min - 09 Beginner
Four numbers
10 problems · 4 min - 10 Beginner
Three-number review
10 problems · 3 min