I use this in my classroom as a warmup every day!" Math topics included are: * Negative Numbers * Absolute Value * Order of Operations * Fractions * Decimals * Scientific Notation * Percentages * Factors and Multiples * Ratios and Proportions * Probability This is a great way to review for standardized tests for 6th, 7th, and 8th grade students in middle school and junior high. For 5th graders, it's your chance to get a head start. * Practice using three levels of difficulty for each topic * Aligned with Common Core State Standards * Replay levels to improve your scores and speed * Compete with friends with leader boards and achievements * Earn prizes - characters, backgrounds, and boosts * Review using built-in help and links to Khan Academy * Email your progress to your teacher