Improve logical reasoning, deductive abilities and math skills with Math Perplexors: Level B. Entertaining story problems challenge solvers to use clues and eliminate possible answers to arrive at the solution. Sharpen critical thinking in a fun and engaging way.

Several books to choose from:
Math Perplexors Basic Level, great for grade 3.
Math Perplexors Level A, great for grades 3 and 4.
Math Perplexors Level B, great for grades 4 and 5.
Math Perplexors Level C, great for grades 5 and 6.
Math Perplexors Level D, great for grades 7 and up.