Here’s why it works! 👇 This strategy, called compensation, is based on the idea there is a constant difference between two numbers. If you love the numbers in the same direction, either backward or forward, on a number line, the difference between them stays the same! 💾Don’t forget to LIKE and SAVE this for later and FOLLOW for more fun math hacks and resources! ➕➗➖✖️ ⭐️When your whole number has a zero in the final place value(s), you can subtract one from both the whole and the part and the