Number Search: Adding and Subtracting-Over 80 Fun Number Grid Puzzles! by Annabel Savery, and illustrator, Jess Bradley, This math-based activity book will have kids hunting for hidden addition and subtraction sums in these number grids, while learning to recognize common sums and number bonds. Kids' puzzle-solving skills will speed up and their mental math ability will grow as they work through these puzzles. Paperback, 96 pages. Recommended for ages 5 to 9 years old.
