Rational Numbers: 9 - (-9)

In this Grade 7 lesson on Rational Numbers, you will practice solving problems like: "What is 9 - (-9)?". Work through each problem carefully, use the hints if you need help, and check your answers. This builds your understanding of rational numbers step by step.

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🌍 Where you'd use this: Every time you check the score, count change, or figure out how long until something — that's this.

🤯 Fun fact: 🤯 The number 0 is younger than you think. People did math for thousands of years before they invented zero.

🏆 Try this week: At dinner, calculate everyone's meal in your head before the receipt comes.

👨‍👩‍👧 At dinner: “What's the fastest way you can think of to solve 27 + 18? No paper.”

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