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9/15/10 Our Math Goal: To describe situations that involve calculating with positive and negative integers. Homework: p.432 Explore #1-4 Write a sentence using the word negative. Write about two times you have seen negative numbers.
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9/15/10 Our Math Goal: To describe situations that involve calculating with positive and negative integers. Homework: p.432 Explore #1-4 Write a sentence using the word negative. Write about two times you have seen negative numbers. If Mr. Wu has $10 in his bank account. He buys a $20 fishing pole with his bank card. What is his bank balance? What happens when I win $5, then lose $5? please quietly copy onto your class notebook
OPPOSITES • Jeremy got 10 extra points for finishing his project. But he got penalized 10 points for talking. • The spider crawled 10 inches up the water spout. Then the rain came and washed the spider 10 inches down.
Joe walked 3 miles north of Safeway, 3 miles east of Safeway, 3 miles South of Safeway, then 3 miles west of Safeway. Where is Joe now. Safeway
THE NUMBER LINE! Copy the number line above, then write the quantities onto their correct positions.
What did Cinderella say to the photographer? • Try this worksheet!
Individual Work: This is a problem straight from the 2007-2008 7th grade HSA Quarter 1 assessment: 12. Jennifer used the expression -10 + (-3) to solve a problem. Describe a problem situation that Jennifer could represent with this expression. Explain how the integers in the expression relate to the situation. - -
EXIT PASS PART A: Answer the following with your partner: • What is -56 + 56 = ? • What is 48 + -70 = ?