“Adding and Subtracting Integer” Assessment



“Adding and Subtracting Integer” Assessment297180136766600Do not use a calculator.Select all the true statements.2.3+(-2.3) is equal to?zero.(-3.7)+(-4.1) is positive.-2.6-(-124) is positive.52+(-2.5) is negative.72-(-100) is negative.388620073025005257800301625heron00heron43434001216025pelican00pelican548640027432000A heron is perched in a tree 50 feet above sea level. Directly below the heron, a?pelican is flying 17 feet above sea level. Directly below the birds is a trout, swimming?23 feet below sea level.45720007239000Select all the true statements.The difference in height between the pelican and the heron is -33 feet.54864001007745trout00trout5029200100774500The difference in height between the pelican and the heron is 33 feet.The distance between the heights of the pelican and heron is -33 feet.The difference in height between the pelican and the trout is -40 feet.The difference in height between the pelican and the trout is 40 feet.The distance between the heights of the pelican and the trout is 40 feet.Let x=-118 and y=-114.Which?expression has a negative value? Show or explain how you know.x+y x-ySolve this equation.12-b=12.5a. The table shows transactions from five different bank accounts. Fill in the missing numbers. b. Explain what each of the numbers -10, -20, and -30 tells you about Account 5. Joseph walks up to a tank of water that can hold up to 10 gallons. When it is active, a drain empties water from the tank at a constant rate. When Joseph first sees the tank, it contains 7 gallons of water. Three minutes later, the tank contains 5 gallons of water.At what rate is the amount of water in the tank changing? Use a signed number, and include the unit of measurement in your answer.320040043434000How many more minutes will it take for the tank to drain completely? Explain or show your reasoning.3886200184340500How many minutes before Jada arrived was the water tank completely full? Explain or show your reasoning. ................
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