Prefixes and suffixes help you identify the meaning of unfamiliar words. But some prefixes and suffixes have more than one meaning. For example, the prefix re- can mean “again” or “back.”

Follow these steps to figure out the meaning of a word with a prefix or suffix that has more than one meaning.

• 1. Cover the prefix or suffix. Figure out the meaning of the base word. redo

• 2. Look at the prefix or suffix and decide which meaning works best.

• 3. Use the meaning in a sentence to see if it makes sense.

Figure Out Word Meanings Identify the word parts in each word. If the prefix or suffix has more than one meaning, decide which meaning works best. Then write a sentence using the word to see if it makes sense.

• 1. immigrate

• 2. wonderful

• 3. overeat

• 4. national

• 5. arrival

MATH

Use a visual aid to show data on U.S. citizenship.

• 1 Collect Your Data What percentage of people in the United States are U.S. citizens by birth? What percentage are naturalized, or have become citizens since their arrival in the U.S.? Use the Internet to research this data between the years 1900–1999.

  Internet InsideNG.com

  • Find citizenship data from the U.S. Census Bureau.

• 2 Organize Your Data Add the two percentages together. Subtract that number from 100 percent, or all U.S. citizens. This is the percentage of people in the U.S. who are not U.S. citizens.

• 3 Make Your Graph Show your data in a graph.

• 4 Share and Compare Your Graph Share and explain your graph. Tell why you chose the graph you did. Compare your data with others.

bar graph

circle graph

pictograph