Listed below are some useful resources that you may use to practice math during the summer break.
Resources and Websites:
Kahn Academy https://www.khanacademy.org/ online lessons that demonstrate how to solve different types of problems. Also has lessons on Science and Economics, Computer Science, Humanities, and Test Preparation.
Wolfram Math World http://mathworld.wolfram.com/ mathematics resources ranging from Foundations of Mathematics to Calculus. Under Recreational Mathematics link, you can access games: cards, board games, dice, and much more.
National Virtual Manipulatives: a great site for demonstrations and helping students to “see” mathematics: http://nlvm.usu.edu/
Multiplication.com: everything you want to know about multiplication but were afraid to ask: http://www.multiplication.com
TI Activities Exchange: Texas Instruments activities: http://www.education.ti.com/educationportal/activityexchange/activity_list.do?cid=us
New York Regents Prep: also great for all teachers: http://mathbits.com/