Applying Addition and Subtraction of Integers

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Presentation transcript:

Applying Addition and Subtraction of Integers

Warm Up For two months, Nell feeds her cat Diet Chow brand cat food. Then, for the next two months, she feeds her cat Kitty Diet brand cat food. The table shows that cat’s change in weight over 4 months. Which brand of cat food resulted in the greatest weight loss? The top of a cliff is 105 feet above sea level. Bernardo dives down 25 feet from a rock at sea level. Then he dives down another 16 feet. What is the vertical difference between Bernardo and the top of the cliff? Jenny buys 12 erasers for 5₵ each and 12 pencils for 18 ₵ each. How much more does Jenny spend on the pencils than on the erasers?

Anna is in a cave 40 feet below the cave entrance Anna is in a cave 40 feet below the cave entrance. She descends 13 feet, then ascends 18 feet. Find her new position relative to the cave entrance.

Alex wrote checks on Tuesday for $35. 00 and $45. 00 Alex wrote checks on Tuesday for $35.00 and $45.00. He also made a deposit in his checking account of $180.00. Find the overall change in the amount in his checking account.

What does it mean that the football team had a total of -1 yard over four plays?

Jim and Carla are scuba diving Jim and Carla are scuba diving. Jim started out 10 feet below the surface. He descended 18 feet, rose 5 feet, and descended 12 more feet. Then he rested. Carla started out at the surface. She descended 20 feet, rose 5 feet, and descended another 18 feet. Then she rested. Which person rested at a greater depth? Explain.