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Fun Math Tricks and Challenges for Practice

Engage in interactive math exercises. Try cool tricks with numbers and radicals. Improve skills and boost mental math abilities! Get ready for quizzes and exciting challenges.

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Fun Math Tricks and Challenges for Practice

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  1. Try this… • 1. Grab a calculator (You won’t be able to do this one in your head)2. Key in the first three digits of your phone number (NOT the area code-if your number is 01-123-4567, the 1st 3 digits are 123)3. Multiply by 804. Add 15. Multiply by 2506. Add the last 4 digits of your phone number7. Add the last 4 digits of your phone number again8. Subtract 2509. Divide number by 2 • Do you recognize the answer?

  2. 2. 4. Warm-up: Simplify each 48 3 48 15 • 21 2 6

  3. 2. 4. Warm-up: Simplify each 48 3 48 15 • 21 2 6

  4. Homework Quiz • Again…. No calculators!

  5. Homework Quiz

  6. MAD MINUTE!!!

  7. Lesson 11-2A Add or subtract radicals

  8. Recall: Adding or subtracting like terms: ex: 10x – 2x + x = ex: 3x + 5y + 4x = 9x 7x + 5y Today: Adding or subtracting radicals Look for like radicands ex: ex: 3 2 + 5 2 = 8 2

  9. Simplify: 6 5 + 2 5 – 1 5 = 7 5

  10. Simplify: -3 6 + 4 2 + 7 6 = 4 6 + 4 2

  11. Simplify…with unlike radicands 20 + 45 Simplify first with a jail break! + 2•2 •5 3•3 •5 + 2 5 3 5 5 5

  12. Simplify…you try this one! 32 + 3 50 2•2 •2•2 •2 + 3 2• 5•5 3 •5 2 2 •2 2 + 4 2 + 15 2 = 19 2

  13. Simplify… – 4 20 3 5 + 5 6 3 5 + 5 6 – 4 2•2 •5 – 8 5 5 6 3 5 + -5 5 + 5 6

  14. Assignment 11-2 page 595, problems 2 – 28 evens Quiz 11-1 and 11-2 on Thursday!

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