Add and Subtract with 0 (The Zero Hero!)
π¦ΈββοΈ Meet the Zero Hero! Zero is a special number with a cool superpower: it doesn't change other numbers when you add or subtract it. It keeps their identity!
Concept
Zero is a very important number in math.Let's learn its two main rules. ** Rule 1: Adding with Zero ** When you add zero to any number, the number stays the same.It's like adding nothing! * 7 + 0 = 7 * 0 + 9 = 9 * If you have 5 cookies and someone gives you 0 more, you still have 5 cookies. ** Rule 2: Subtracting with Zero ** When you subtract zero from any number, the number also stays the same.You're taking nothing away! * 8 - 0 = 8 * 3 - 0 = 3 * If you have 6 balloons and 0 of them pop, you still have 6 balloons. ** Special Case: Subtracting a Number from Itself ** When you subtract a number from itself, the answer is always zero! * 5 - 5 = 0 * 10 - 10 = 0 * If you have 4 crackers and you eat all 4, you have 0 left.
Try it
Let's practice with the Zero Hero! ** Instructions:** Solve these problems.Remember the rules of zero! 1. 6 + 0 = ___ 2. 0 + 4 = ___ 3. 9 - 0 = ___ 4. 2 - 0 = ___ 5. 7 - 7 = ___ 6. 1 + 0 = ___ 7. 10 - 10 = ___ 8. 0 + 0 = ___ π ** True or False Challenge:** Is this sentence true or false ? * 5 + 0 = 5 - 0 * True / False ** Problem 9:** There are 8 fish in a tank.You add 0 more fish.How many fish are in the tank now ?