Recommended math games for 5th hour!
Ordering numbers
Number Balls (click on the rotating balls starting with the lowest value first, includes negative numbers)
http://www.coolmath-games.com/0-numberballs/index.html
Basic Addition and Subtraction
Feed Fribbit Addition
http://www.coolmath-games.com/0-feed-fribbit-addition/index.html
Math Lines Addition (Zuma-style game)
http://www.coolmath-games.com/0-math-lines/index.html
Math Picture Puzzle (choose the right sum to reveal each part of the picture)
http://www.thekidzpage.com/learninggames/math_picture_puzzles/addition-to16-halloweencat.html
Feed Fribbit Subtraction
http://www.coolmath-games.com/0-feed-fribbit-subtraction/index.html
Subtraction Blast (shoot numbers to subtract them from targets--fast and furious!)
http://www.coolmath-games.com/0-subtraction-blast/index.html
Memory Games
Concentration (slow-pace, big graphics for easy recognition)
http://www.coolmath-games.com/concentration/index.html
Pattern Memory
http://www.coolmath-games.com/0-patternmemory/index.html
Fractions
Fractone (add fractions that total 1)
http://www.coolmath-games.com/0-fractone/index.html
Fraction Splat!
http://www.coolmath-games.com/0-fraction-splat/index.html
Harder Stuff
Mathlines X Factor (choose combinations that multiply to 12 and higher)
http://www.coolmath-games.com/0-math-lines-xfactor/index.html
Math Man (like PacMan, but you can only eat the ghosts with the right answer, requires understanding of Order of Operations)
http://www.coolmath-games.com/0-math-man/index.html