Workbook Features: - Ages 10-14, Grades 5-8 - 352 pages, 8 inches x 10 1/2 inches - Covers patterns, sequence, prime numbers, fractions, percentages, and more - Features puzzles and problem-solving activities - Answer key included Focused Practice: Singapore Math Challenge Workbook helps fifth through eighth grade students strengthen their math skills through progressive lessons, interactive problem-solving exercises, and engaging puzzles. Meets Singapore Textbook Standards: This workbook can supplement classroom or homeschool math lessons or be used for added practice. Students learn how to identify patterns and sequence, calculate percentages, fractions, and square numbers, and more. How It Works: Clear instructions begin each section with lessons that include step-by-step examples and practice pages, with problem-solving activities and puzzles to test students' math skills and ensure they're ready to move on to the next concept. Working Together: Parents love using the workbook for added practice from home, and teachers love to incorporate it into hands-on math lessons. Track student progress with the answer key in the back of the workbook. Why Singapore Math: Singapore's math curriculum has been recognized worldwide for helping students produce excellent mathematics skills. The series includes practice that provide students with a strong mathematical foundation for ongoing success.