Math Starters: 5- to 10-Minute Activities Aligned with the Common Core Math Standards, Grades 6-12
100 Math Brainteasers (Grade 7, 8, 9, 10). Arithmetic, Algebra and Geometry Brain Teasers, Puzzles, Games and Problems with Solutions (Math olympiad contest ... problems for elementary and middle schools)
Math Puzzles and Brainteasers, Grades 6-8: Over 300 Puzzles that Teach Math and Problem-Solving Skills
Mathematical Mindsets: Unleashing Students' Potential through Creative Math, Inspiring Messages and Innovative Teaching