The problem sets are derived from 7 different skills/topics--some from 2nd, 4th and 5th grades. For one of the skills several sketches are provided.
TARGET STUDENTS: gifted classes, gifted individual students, students who want extra challenges, extra credit, end-of-semester challenge, summer camps, math clubs, elective math classes, etc.
FOUR worksheets are provided: one with 5 problems per skill; one with 10 per skill; one with 15 per skill and one with 20 per skill. You decide which is best