No, I am not talking about coloring pages here. Handing a child a picture to color rarely engages his brain in any way that reinforces learning. On the other hand, asking a child to add colors to a diagram, text or drawing in a way that requires analysis of the words or pictures will make a significant impact to his learning.
A net and its solid. |
The net and solid, color-coded. |
Another use of color can help students understand math processes. For example, some of my students have struggled with long division or multi-digit multiplication, getting lost with all the different numbers that have to interact with each other. Here we see a number multiplied by 23. The digits 2 and 3 are color coded to match their products as the number is multiplied out:
In this way, a student can see that 1353 is the complete product of 3 x 451, while 9020 is the complete product of 20 x 451. Notice the "placeholder zero" is colored an almost invisible gray to reflect the "invisiblitity" of the ten's place zero that makes 23 = 20 + 3. Division can be analyzed the same way, writing each digit of the quotient in a different color so that the student sees what is happening in the process:
Color coding is equally effective in studying spelling rules. Students who cannot identify the individual phonograms in a word are stuck with memorizing the unique spelling of every word they encounter, which severely limits their ability to spell. What they need is a way to see the phonograms in a word as they study its spelling. While my favorite hands-on spelling instruction is done by manipulating movable letter tiles, or physically cutting up words into syllables and letter combinations, this is not always practical. Instead, students can be shown how to color code the various phonograms in their spelling words.
Color-coded phonograms. |
For the example above, the student may the words himself, changing the color of his pencil for each phonogram. He could also write them in regular pencil and then underline the letters in different colors. Highlighting or using colored pencils to circle the phonograms in a pre-printed list could achieve the same purpose for students who have diffficulty with writing.
The directions for the above example could go something like this:
1. Separate each word into syllables.*
2. Write single-letter vowel sounds in black, single-letter consonant sounds in blue.
3. Write double letter (same letter) consonant sounds in red, two-letter consonant sounds in green, two-letter vowel sounds in purple.
4. Underlined silent e..
5. If a separate, single-letter consonant or vowel sound follows another one, give it a different color (e.g., the "c" in escape, or the "a" in creation).
(*Note: I was taught that syllables are officially divided in the middle of double consonants: bel-low. However, for the sake of identifying phonograms, the sound of a double letter such as /l/ occurs once in the word, so we can treat "ll" as a single phonogram spelled with two letters, just like ph or sh, which are never separated.)
Color-coded roots, suffixes and prefix. |
This concept can be easily extended to have students color-code the roots to match the corresponding key words in their definitions:
As you can imagine, analyzing words this way gets the hands, eyes, and brain involved in a manner that simply copying the words over and over cannot do. Similarly, color can be used to analyze text. People have used highlighting to mark important information for years. Why not use a variety of highlighting colors more intentionally? If your child's assignment involves reading for information, he may use color to match information in the text to individual questions, either before he writes his answers, or afterwards. While it may seem redundant to mark up a text in this way, the process actually increases reading comprehension by engaging the brain in a more concrete way than simply writing an answer. Some schools teach this technique of "justifying" a response, requiring students to mark the information in the text that supports their answer:
This worksheet becomes more effective when the student
uses color to match textual information to the questions.
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Adding the targeted use of color to an assignment is limited only by the imagination. A science diagram can be color coded to indicate the function of various structures. A history article might have facts highlighted that correspond to opposing political views. Whatever the student is asked to learn, color can help add hands-on interaction to even the most black-and-white of worksheets.
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