Never leave a blank — there is no penalty

Math Kangaroo takes nothing off for a wrong answer. A blank scores zero and a guess scores zero or more, so a blank is never the better choice. With one or two choices eliminated, a guess is worth real points across a whole paper.

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Work through it

LearnWhat it is, how to spot it, a worked example, and where it goes wrong.
Practice — 3-point ladder1 problem. Three in a row finishes it.0/3 in a row · 0/1 solved
Practice — 4-point ladderNo problems written at this tier yet.Nothing written at this tier yet
Practice — 5-point ladder2 problems. Three in a row finishes it.0/3 in a row · 0/2 solved
Skill quizFinish every ladder that has problems first.Finish the ladders above first

Before and after

Needs first

Nothing. This is one of the skills the Atlas starts from.

Opens up

CFT-08Time triage: now, later, or guess

In official papers

No indexed official paper question has been tagged with CFT-09 yet. The index grows one paper at a time, and it records only question numbers, point values and our own skill tags — never the problems themselves.

See the papers indexed so far

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