You can use graph paper
Cooking convert form of energy
A histogram would be the best type of graph to show the heights of 30 fifth-grade students. It allows for the visualization of the distribution of heights by grouping them into intervals (bins), making it easy to see patterns or trends. Alternatively, a box plot could also be useful for summarizing the data, showing the median, quartiles, and any outliers.
A bar graph.
Elevations, or altitudes, irrespective of longitude and latitude, use spot heights for individual points like summits, and contour-lines to trace levels across the landscape at particular elevations. The heights may be in feet or (more universally now) metres.
Stem-and-leaf plot
showing or representing unfavorably; "an unflattering portrait"; "an uncomplimentary dress".
There cannot be a proof because the statement need not be true.
Shading is a method for representing relief on maps in a natural, aesthetic, and intuitive.
The "7" is representing 700. It is showing 7 hundreds (7 * 100 = 700).
a diagram showing each step
Showing students auto repairs shouldn't be too pricey. Depending on the intensity you're divulging into, you can range from $50 in equipment costs to $700. You have to decide how much you're willing to output.
A pie chart is one example of showing the fraction of the whole. A bar graph can do the same by showing data above and below a base line. The base line representing the whole.