Math tidbits

imprecise precision: using grids for polygons

a multiplication facts app It has two modes: speed and endure. Speed sees how many correct answers can be done in a fixed time. Endure continues indefinitely until a certain percentage of the most recent questions are answered correctly.

7o<4<7>4<74<7>4<7>4<74<7>4<7>4<74<7>4<7>4<74<7

7o>46,,7>46,,746,,7>46,,7>46,,746,,

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5p<4,5>3,5<4,5>3,5<3,5>4,5<3,5>4,5<3,5>3,