Quick tools for homework help, lesson starters, and complex calculations.
WolframAlpha: A powerful computational engine that provides step-by-step solutions for algebra, calculus, and beyond (basic web version is free).
Estimation 180: Provides daily estimation challenges that are perfect for math talks and building number sense at the start of a lesson.
Which One Doesn't Belong?: A website dedicated to thought-provoking math prompts that encourage students to explain their reasoning through open-ended comparisons