CALCULUSThis 8 question FREEBIE on evaluating limits by substitution requires students to input the correct answer and the picture will appear!! If no new squares are coloured, the answer is incorrect so students can self-check and review. A fun way for students to get instant feedback on their maths. An engaging way to get students to practice evaluating limits! These digital and self-checking activities work with ANY device with Google™ Sheets (iPads, Chromebooks, and more). Easily integrate