Article: These are the vertical and horizontal lines that form basic outline of the histogram. If you have trouble making the right angle where the axes meet, go ahead and cheat: use a corner of a sheet of paper! In a histogram, the data is visualized in groups. These groups are evenly distributed, so you'll need to make set marks along your lower axis. For example: 0-4 apples, 5-9 apples, 10-14 apples, etc at 1", 2", and 3" along the axis. The vertical axis in a histogram is always for frequency. What measure of time is necessary, though, is up to your data of course (but the numbers will still need to be equally spaced). Just be sure to leave extra room at the top to make your chart easier to read.  If the upper limit of your histogram is 54, for example, you should make the highest number on the axis 60. If the frequency doesn't start until a fairly high number, you can cut out many of the numbers below it. For example, if the first frequency is 32, you can start the chart at 25 or 30. Draw the horizontal top line for each interval or group lightly, at the level that data was measured. Then, draw in the bars centered over the data point they represent. Make sure the bars are even and the same width as each other. Generally, histogram bars are supposed to touch, but if you have no results for a particular group, then don't worry about it. Add different colors to the histogram rectangles with colored pencils, markers, or crayons to help differentiate among the intervals.
Question: What is a summary of what this article is about?
Using a ruler, draw out the basic axes. Measure out the groups. Measure out the vertical axis. Draw the bars. Add some color.

Just as in English, the numbers 11 and 12 in German are outliers – they aren't formed the way the other larger numbers are. For this reason, it's easiest to learn them separately.  Eleven is "elf" (elf). Twelve is "zwölf" (tsvoolf). This is a deceptively difficult word for native English speakers to pronounce. The "teens" in German are formed similarly to the way these number-words are formed in English, although English actually gets a bit more complicated.  In German, all you have to do is take the word for ten, "zehn," which you already know. On the front of "zehn," put the word from one to nine that corresponds to the second digit of the number. So, for example, 13 in German is "dreizehn" (DRIGH-tsayn). Literally, you can think of it as "three and ten," which add up to 13. All the other number-words in the teens are formed the same way, with stress always on the first syllable. The easiest way to learn to continue counting in German is to first memorize the words for the tens – 20, 30, 40, 50, 60, 70, 80, and 90. Many of these words are formed by adding "zig" to the word for the initial number, as you'll see:  Twenty is "zwanzig" (TSVAHN-tsikh). Thirty is "dreißig" (DRIGH-sikh). The "ß," called an Eszett or scharfes S (sharp S), is a unique German letter pronounced essentially like the "s" sound in "kiss" or "bless." Forty is "vierzig" (FEER-tsikh). Fifty is "fünfzig" (FUUNF-tsikh). Sixty is "sechzig" (ZEKH-tsikh). Seventy is "siebzig" (ZEEP-tsikh). Eighty is "achtzig" (AHKH-tsikh). Ninety is "neunzig" (NOYN-tsikh). Once you know how to count by tens and how to count from one to nine, you have all the building blocks you need to create virtually any other number in German.  Start with the smallest number, and work up from there to build the word. For example, 21 in German is "einundzwanzig" (IGN-oont-tsvahn-tsikh). A literal translation would be "one and twenty," as "und" is the German word for "and." All numbers up to a hundred are built this way, with the word for 100 being "hundert" (HOON-dert). The word literally means "hundred," so 100 is einhundert. As you can probably guess, the building starts again here, the same as it did with the lower numbers. Write (or say) the hundreds first, then the digits that follow. Keep in mind that there's no "und" or "and" between the hundred and the other digits. Since people often say "three hundred and eleven" in English to mean 311, you might be tempted to add it in. Since you know how to pronounce the building blocks, you know how to build and pronounce some lengthy words. For example, 535 in German is "fünfhundertfünfunddreißig."
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One-sentence summary --
Learn the words for numbers 11 and 12. See how numbers 13 through 19 are formed. Practice counting by tens. Apply logic to formulate other numbers.