Grade 7 Mathematics Secondary Education MAFS.7.NS.1.3 – Worksheet 1 Calculator is Neutral for this Standard Name: _______________________________________________________ Date: ___/___/___ 1. Jim bought a new freezer last winter. When he plugged it in at noon the temperature inside the freezer was 21oC. That night the temperature inside the freezer was –15oC. By how many degrees Celsius did the temperature change? 2. Lee recorded the change in the price of gas over the past few months in the table below. What was the total price change in gas over the 6 months in the table? Month May June July August September October Total Change The School District of Palm Beach County Price Change (in Dollars) 0.03 0.05 – 0.02 – 0.25 – 0.04 – 0.35 Grade 7 Mathematics Secondary Education MAFS.7.NS.1.3 – Worksheet 1 3. The First Lady set aside Calculator is Neutral for this Standard 2 of the land in the White House Kitchen Garden to grow peas. 3 1 of that land to grow sugar snap peas. What fraction of the 5 White House Kitchen Garden will be used to grow sugar snap peas? She is planning to use 4. Bret bought a new aquarium and is trying to get the perfect water level for his fish. He lowered the water level in his aquarium 5 mm each day for seven days. On the eighth day he lowered the water level an additional 6 mm. Select all the ways Bret can find the total change in the water level of his aquarium.      7(– 5) + (– 6) 7(– 5 + 6) – 6 – 7(5) – 6 + 7(– 5) 7(– 5) + 6 1 pounds of chocolate chips in her pantry. She decides to divide the 4 1 chocolate chips into bags which can hold of a pound of chocolate chips. How many 2 bags can Mrs. Neely fill? 5. Mrs. Neely has 1 The School District of Palm Beach County