dace3860001_ch05.qxd:dace3860001_ch05 Take Action! Separate mathematical difficulties from language challanges. 130 3/27/09 9:44 AM Page 130 The following year these same teachers had their students participate in the creation of the word walls. Students chose words they wished to define and illustrate and then posted their work beside the word strips. This level of involvement made the word walls more meaningful, and students consulted them more regularly. Students may also feel further connected to word walls if they, too, are developing their own word banks in their notebooks or with vocabulary flip books. Sometimes it is difficult to separate language difficulties from mathematical ones. For example, Brenda was being interviewed by her teacher in the late spring. The teacher asked her, “What is one-tenth of twenty?” Brenda replied, “Two hundred.” The teacher asked a related question, “What is one-tenth of ten?” In response, Brenda replied, “One hundred.” The teacher, knowing that he had fish crackers in his desk drawer, asked, “If you have ten fish in your fish tank and one out of ten of them is a goldfish, how many of them are goldfish?” As he asked her this question, he got the bag and laid out ten fish crackers on his desk. Brenda took one fish cracker and responded, “One.” When the teacher asked about one-tenth of twenty in the same manner, Brenda was able, with some assistance as she attempted to break the twenty fish crackers into two groups of ten, to correctly identify that the answer would be two. The teacher was not sure if Brenda needed the real-world model or the gestures to understand what to do or if she just didn’t understand the phrase one-tenth of. The teacher wondered why Brenda’s first response was to multiply by ten rather than divide by ten and decided to emphasize the language by saying, “Yes, one-tenth of twenty is two.” Brenda looked up at him a bit perplexed, but then her eyes widened and she said, “Oh, when you wanted to know one-tenth, you meant smaller parts, not bigger. I get it now.” The teacher knew Brenda had made an important connection. We need to be sensitive to language issues. According to the National Clearinghouse for English Language Acquisition (2007) the school population has grown 3.66 percent since 1995, while the number of limited English proficient students has increased by 57.17 percent. Before you ask students to complete mathematical tasks, make sure that they can understand Math for All: Differentiating Instruction, Grades 6–8 Math for All: Differentiating Instruction, Grades 6–8 © 2009 Math Solutions dace3860001_ch05.qxd:dace3860001_ch05 3/27/09 9:44 AM Page 131 the language of the task. Consider using this checklist when preparing tasks: How to Support Students’ Understanding of the Language of a Mathematical Task Preview vocabulary at the beginning of a lesson, using realia whenever possible. Encourage students to dramatize word problems. Ask students to summarize the task in their own words. Have vocabulary lists available when students write about their ideas. Use accurate mathematical terms, rather than simpler everyday terms that will need to be relearned later; for example, use rhombus rather than diamond (Lee and Herner-Patnode 2007). Use pictures, models, and gestures to clarify ideas whenever possible. Have students try out their thinking in pairs or small groups before speaking in front of the whole class. Map symbolic notation carefully onto everyday situations and concrete models. Speak slowly and avoid idioms and contractions. Pose problems in familiar contexts that students will recognize. We also need to pay attention to particular terms that may be problematic. For example, many mathematical terms, such as face, plot, and similar, have a different meaning in everyday usage. (Please see the following page for examples of words found in the middle school curriculum that have different everyday and mathematical meanings as well as examples of mathematical words that have everyday homophones.) Homophones—words that sound the same but have different spellings and meanings—can be similarly problematic. Again, teachers should give special attention to these terms (humorous examples can be helpful). One teacher tells her students about the following conversation and asks them to figure out what happened. Two people leave a doctor’s office when one says, “What was your weight?” The other replies, “Five minutes.” “Oh,” says the first. “Mine was one hundred thirty pounds.” Chapter 5 Math for All: Differentiating Instruction, Grades 6–8 © 2009 Math Solutions Breaking Down Barriers to Learning 131 dace3860001_ch05.qxd:dace3860001_ch05 3/27/09 9:44 AM Page 132 Words with Different Meanings in Everyday Life Than in Math Class acute altitude center cylinder degree edge expression face fair factor graduated identity intercept mass mean median mode net odd origin plot point power range real ruler reflection rotation set side similar table turn volume yard Mathematical Words That Have Everyday Homophones cents/scents complement/compliment fair/fare eight/ate hour/our one/won plane/plain Take Action! Attend to confusing pairs of words. 132 pi/pie sum/some symbol/cymbal week/weak weight/wait whole/hole Some everyday words sound similar to mathematical terms, including sense (cents), have (half), court (quart), and spear (sphere). And some math terms sound alike (e.g., hundreds and hundredths, intercept and intersect). Teachers should enunciate these words carefully, record them when they first introduce the words, and listen deliberately to students’ pronunciation of them. Rubenstein (2007) reminds us to also pay attention to those words that are often learned in pairs and thus confused. Examples include factor and multiple, perimeter and area, permutation and combination, and power and exponent. One strategy she suggests is having students learn one of the words in these pairs first and then introducing the second term and concept only after the first one is familiar. Math for All: Differentiating Instruction, Grades 6–8 Math for All: Differentiating Instruction, Grades 6–8 © 2009 Math Solutions
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