7th Grade Math NC Check In #1 Review Test

George drew a rectangle EFGH. He enlarged the rectangle by a scale factor of 2 and labeled it JKLM. What is the perimeter of rectangle JKLM?​ (a)  

Mike is using a map to hike a trail. On the map, the scale is $$\frac{1}{2}\ inch\ =\ 2\ miles$$ . The trail on the map is $$2\ \frac{1}{2}$$ inches long. What is the actual length of the trail?

​ (a)  

The tallest tree in the world is 370 feet tall. which of the following illustrations shows the tree drawn correctly to scale?

What is the value of $$3\ \frac{3}{8}+\frac{1}{2}\div\frac{4}{5}\times2$$ ?

If $$r=\left(3.26+4.625\right)\times85$$ . which inequality is true?

​ (a)  

Which expression has the greatest value when $$x=\frac{2}{3}$$ ?

​ (a)  

Ms. Blake walks at a constant rate of $$\frac{1}{3}$$ of a mile in $$\frac{1}{4}$$ of an hour. Ms. Blake walks for $$2\ \frac{1}{4}$$ hours. How far in miles did Ms. Blake walk?

A water filter returns $$13\ \frac{1}{4}$$ gallons of water in a fish tank every 15 minutes. At this rate, how many gallons of water are filtered in one hour?

Mr. Ruiz drove 305 miles in 5 hours on Saturday and 190 miles in 4 hours on Sunday. What was his average speed, in miles per hour, for two days?

Sam recorded the height of her skateboard ramp and the distance of her jumps in the graph. She raises her ramp to 2.5 feet, and the rate of change stays the same. How far is Sam able to jump?

​ (a)