What are some ways to get 150 an hour for kids?

What is the grade if I get one wrong out of 15 questions? Is a tetragon a four-sided polygon? How long does it take to get 15 kilometers away traveling at constant speed of 30kph? HoW do you write fifteen million twenty one thousand in numbers? What two square numbers multiplied by each other equal 12? What are the advantages and disadvantages of an aging population? What is negative 64 to the negative 2nd power? Why are honey combs hexagon shaped? What is the simplest form of 927? What is an 75 percent as a fraction? What does a straight line on a graph means there is a relationship between the dependent variable and the independent variable? What is the difference between 4 lb and 4 kg? How do you spell karma in chinese? What area does the InterRail cover? Is 9 divided by 27 an integer? Can quadrilaterals can be cut into two equal triangles? The process of dividing into parts to study the whole is called? How many hours is 465 miles? Why does the cube have more balance than the sphere? Is 7 over 10 an equivalent fraction?

What are some ways to get 150 an hour for kids?