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Math Mammoth Data and Graphs
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Math Mammoth Data and Graphs

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Math Mammoth Data and Graphs is a worktext that covers common statistical graphs and some related topics for grades 2-5. It is a worktext, containing both the "text" (instruction) and the "work" (exercises and problems).

The book starts with the easiest topics: reading and making bar graphs, pictograms, histograms, and various kinds of line graphs. Most of these lessons are best suited for 4th and 5th grades.

The goals for the study of bar graphs and line graphs are listed here. The student should learn to:

  • read bar graphs, including double bar graphs, and answer questions about already plotted data
  • draw bar graphs and histograms from a given set of data.

In order to make histograms, it is necessary to understand how to group the data into categories ("bins"). The lesson Making Histograms explains the method we use to make categories if the numerical data is not already categorized.

Toward the end of the book, we study average (also called the mean) and mode, and how these two concepts relate to line and bar graphs. This is also meant for grades 4-5. Other math curricula also introduce the median, but I decided to omit it from this book. There is plenty of time to learn that concept later. Introducing all three concepts at the same time tends to jumble them together and become confusing — so that many students just grasp the calculation procedures. I feel it is better initialy to just introduce and contrast the two concepts of the mean and mode, in order to give the student a solid foundation.

Lastly, we study Circle Graphs which may be left to study in 6th or 7th grade, because it requires the student to understand percentages.

 
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March 11th, 2016
Like ALL of Maria's mathsbooks they are accurate, beautifully presented and really help children learn the underlying concept thoroughly. In some ways I might be a little bias because we print Maria's books in the UK for home educating families. See li [...]
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Product Information
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Pages
79
File Size:
5.43 MB
Format
Original electronic
Scanned image
These products were created by scanning an original printed edition. Most older books are in scanned image format because original digital layout files never existed or were no longer available from the publisher.

For PDF download editions, each page has been run through Optical Character Recognition (OCR) software to attempt to decipher the printed text. The result of this OCR process is placed invisibly behind the picture of each scanned page, to allow for text searching. However, any text in a given book set on a graphical background or in handwritten fonts would most likely not be picked up by the OCR software, and is therefore not searchable. Also, a few larger books may be resampled to fit into the system, and may not have this searchable text background.

For printed books, we have performed high-resolution scans of an original hardcopy of the book. We essentially digitally re-master the book. Unfortunately, the resulting quality of these books is not as high. It's the problem of making a copy of a copy. The text is fine for reading, but illustration work starts to run dark, pixellating and/or losing shades of grey. Moiré patterns may develop in photos. We mark clearly which print titles come from scanned image books so that you can make an informed purchase decision about the quality of what you will receive.
Original electronic format
These ebooks were created from the original electronic layout files, and therefore are fully text searchable. Also, their file size tends to be smaller than scanned image books. Most newer books are in the original electronic format. Both download and print editions of such books should be high quality.
File Last Updated:
March 01, 2018
This title was added to our catalog on September 04, 2015.