Adding Rational Numbers. Warm Up Use the table. Write each ratio as a fraction and then as a decimal. 1.Basketball to Football 2.Hockey to Lacrosse 3.Polo.

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Presentation transcript:

Adding Rational Numbers

Warm Up Use the table. Write each ratio as a fraction and then as a decimal. 1.Basketball to Football 2.Hockey to Lacrosse 3.Polo to Football 4.Lacrosse to Rugby 5.Football to Soccer

Malachi hikes for 2.5 miles and stops for lunch. Then he hikes for 1.5 more miles. How many miles did he hike altogether?

Adding on a Number Line

During the day, the temperature increases by 4.5 degrees. At night, the temperature decreases by 7.5 degrees. What is the overall change in temperature?

Ernesto writes a check for $2.50. Then he deposits $6 in his checking account. What is the overall increase or decrease in the account balance?

(-3) What do you notice about the sums?

A football team loses 3.5 yards on their first play. On the next play, they gain 3.5 yards. What is the overall increase or decrease in yards?

Tina spent $5.25 on craft supplies to make friendship bracelets. She made $6.75 and spent an additional $3.25 for supplies on Monday. On Tuesday, she sold an additional $4.50 worth of bracelets. What was Tina’s overall profit or loss?

Find Each Sum