Presenting grade 4 of our Math Puzzlers series that includes grades 3-6. These are like crossword puzzles where the answers are all numeric values. Down and Across clues are basic mathematical operations including addition, subtraction, multiplication, division and world problems, measurement conversions, and simple fractions. Our Math Puzzlers books contain 64 pages of exciting and challenging puzzles. This is a great source for reinforcement of math skills and providing homework sheets. Includes answers keys.