Answers Math Minute of 25= 2. Three times a number is –18.

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Presentation transcript:

Answers Math Minute 1 1. 3 5 of 25= 2. Three times a number is –18. What is the number? 3. Find the perimeter of the regular hexagon. 9 ft. 2 in. 4. 20% of 35 = 5. Choose all answers equal to 80%. a. 0.8 b. 4 5 c. 0.08 d. 8 10 6. Simplify: b2 • b • b = 7. Which of the following is the greatest number? a. 1 2 b. 65% c. 0.55 d. 0.60 8. Evelynn goes to a restaurant and her bill is $12. She wants to leave a 15% tip. How much should she leave for the tip? 9. What percent is 3 5 ? 10. 4 • |−8| = Answers

Atoms and Isotopes: Practice August 28, 2017 Today’s Agenda: Bell Work/Word Wall Check Notebooks Practice Exit Ticket 14. dispense: to give or provide specific amounts. 15. emit: to give off.

Practice Example For the element given, assuming it is neutral, complete the following: For Carbon: Draw the box as seen on the periodic table How many protons? How many neutrons? How many electrons? Atomic Weight? Mass number? Write in symbol notation Write in hyphen notation

Practice Parameters You may work in groups of no more than 2. You may use your periodic table and notes. You may not use your phone. Make sure your name is on your paper!

Practice Magnesium Oxygen Argon Silicon Nitrogen Helium Aluminum Neon For each element given, assuming it is neutral, complete the following: Draw the box as seen on the periodic table How many protons? How many neutrons? How many electrons? Atomic Weight? Mass number? Write in symbol notation Write in hyphen notation Draw the Bohr Model Magnesium Oxygen Argon Silicon Nitrogen Helium Aluminum Neon

Exit Ticket Turn in your paper!