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Bellringer 12 September 2011

Bellringer 12 September 2011. 1. 5 of the 10 students ate lunch. What percent of students ate lunch? 2. Is this statement true or false: ¾ = 6/8? Explain 3. Why is this statement, 10 > 20 false? 4. There are 12 inches in 1 foot. How many inches are in 3 feet ?

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Bellringer 12 September 2011

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  1. Bellringer 12 September 2011 1. 5 of the 10 students ate lunch. What percent of students ate lunch? 2. Is this statement true or false: ¾ = 6/8? Explain 3. Why is this statement, 10 > 20 false? 4. There are 12 inches in 1 foot. How many inches are in 3 feet? 5. Circle the statements that use the multiplication property: a. 2(x) b. 2 times x c. x • 2 d. 2x

  2. Agenda • Bellringer – 15 minutes • Pass back homework – 5 minutes • Arithmetic key words – 15 minutes • Whiteboard practice – 20 minutes • Cleanup / break – 5 minutes • Individual practice – 20 minutes • Group recap – 5 minutes • Cleanup – 5 minutes

  3. Objective: • Students will be able to translate integer word problems into mathematical equations.

  4. Do not try to copy down every question. Only put the key words into your notes.

  5. Question 1 • James plays in the backfield of the Marshall football team. Last week he ran four plays from the halfback position. He made gains measured in yards of 3, 4, 1, and 5. How many yards did he gain in total?

  6. Question 1 • James plays in the backfield of the Marshall football team. Last week he ran four plays from the halfback position. He made gains measured in yards of 3, 4, 1, and 5. How many yards did he gain in total?

  7. Question 1 • James plays in the backfield of the Marshall football team. Last week he ran four plays from the halfback position. He made gains measured in yards of 3, 4, 1, and 5. How many yards did he gain in total? 3 + 4 + 1 + 5 = ?

  8. Question 1 • James plays in the backfield of the Marshall football team. Last week he ran four plays from the halfback position. He made gains measured in yards of 3, 4, 1, and 5. How many yards did he gain in total? 3 + 4 + 1 + 5 = 13

  9. Question 2 • If it is 75F in Honolulu and it is -25F in Rantoul, what is the temperature difference between the two cities?

  10. Question 2 • If it is 75F in Honolulu and it is -25F in Rantoul, what is the temperature difference between the two cities?

  11. Question 2 • If it is 75F in Honolulu and it is -25F in Rantoul, what is the temperature difference between the two cities? 75F - -25F = ?

  12. Question 2 • If it is 75F in Honolulu and it is -25F in Rantoul, what is the temperature difference between the two cities? 75F - -25F = 100

  13. Question 3 • A submarine was situated 800 feet below sea level. If it ascends 250 feet, what is its new position?

  14. Question 3 • A submarine was situated 800 feet below sea level. If it ascends 250 feet, what is its new position?

  15. Question 3 • A submarine was situated 800 feet below sea level. If it ascends 250 feet, what is its new position? -800 + 250 = ?

  16. Question 3 • A submarine was situated 800 feet below sea level. If it ascends 250 feet, what is its new position? -800 + 250 = -550

  17. Question 4 • You owe $225 on your credit card. You make a $55 payment, and then purchase $87 worth of clothes at Marshalls. What is the integer that represents the balance owed on the credit card?

  18. Question 4 • You owe $225 on your credit card. You make a $55 payment, and then purchase $87 worth of clothes at Marshalls. What is the integer that represents the balance owed on the credit card?

  19. Question 4 • You owe $225 on your credit card. You make a $55 payment, and then purchase $87 worth of clothes at Marshalls. What is the integer that represents the balance owed on the credit card? 225 - 55 + 87 = ?

  20. Question 4 • You owe $225 on your credit card. You make a $55 payment, and then purchase $87 worth of clothes at Marshalls. What is the integer that represents the balance owed on the credit card? 225 - 55 + 87 = 157

  21. Question 5 • Maggie owes the candy store $35. Each of 5 friends will help her pay off her debt. How much will each friend pay?

  22. Question 5 • Maggie owes the candy store $35. Each of 5 friends will help her pay off her debt. How much will each friend pay?

  23. Question 5 • Maggie owes the candy store $35. Each of 5 friends will help her pay off her debt. How much will each friend pay? 35 ÷ 5 = ?

  24. Question 5 • Maggie owes the candy store $35. Each of 5 friends will help her pay off her debt. How much will each friend pay? 35 ÷ 5 = 7

  25. Question 6 • A dolphin swimming at 18 feet below sea level dives 20 feet down. How far below sea level is the dolphin now?

  26. Question 6 • A dolphin swimming at 18 feet below sea level dives 20 feet down. How far below sea level is the dolphin now?

  27. Question 6 • A dolphin swimming at 18 feet below sea level dives 20 feet down. How far below sea level is the dolphin now? -18 – 20 = ?

  28. Question 6 • A dolphin swimming at 18 feet below sea level dives 20 feet down. How far below sea level is the dolphin now? -18 – 20 = -38

  29. Whiteboard Activity • With a partner, decode each word problem into a mathematical equation. Write the mathematical equation on your whiteboards, but DO NOT solve it until you are asked to.

  30. Whiteboard Question 1 • Lilly bought 4 pairs of blue jeans at $32 each. How much money did she pay the clerk?

  31. Whiteboard Question 2 • In the Sahara Desert one day it was 136°F. In the Gobi Desert a temperature of -50°F was recorded. What is the difference between these two temperatures?

  32. Whiteboard Question 3 • A submarine was situated 450 feet below sea level. If it descends 300 feet, what is its new position?

  33. Whiteboard Question 4 • On Tuesday the mailman delivers 3 checks for $5 each and 2 bills for $2 each. If you had a starting balance of $25, what is the ending balance?

  34. Whiteboard Question 5 • During the football game, Justin caught three passes. One was for a touchdown and went 52 yards. The other was for a first down and was for 17 yards. The other was on a screen pass that did not work so well and ended up a gain of -10 yards. What was the total yardage gained by Justin on the pass plays?

  35. Whiteboard Question 6 • A movie theater gave away 50 discount passes for a movie. Each pass gave a person $3 off the price of a ticket. How much did the discount passes cost the movie theater all together?

  36. Whiteboard Question 7 • A monkey sits on a limb that is 25 ft above the ground. He swings up 10 ft, climbs up 6 ft more then jumps down 13 ft. How far off the ground is the monkey now?

  37. Whiteboard Question 8 • Mary has $267 in her checking account. She writes checks for $33, $65, and $112. What is the balance in her account now?

  38. Whiteboard Question 9 • Mt. Everest, the highest elevation in Asia, is 29,029 feet above sea level. The Dead Sea, the lowest elevation, is 1,312 below sea level. What is the difference between these two elevations?

  39. Whiteboard Question 10 • Giovanni decided to clean up his CD collection. He eventually gave away 1/3 of all his CDs. If he had 30 CDs to start with, how many did he give away?

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