Analogies: Simple analogies challenge students to test their thinking. Posing some analogies and then asking them to discuss their answers with a partner will give students opportunities to talk about the connections between words and the subtleties of word meanings.
- Addition is to sum as subtraction is to ________________.
- Five is to pentagon as ________ is to octagon.
- Inch is to mile as _______ is to kilometer.
- Degree is to temperature as pound is to ___________.
Use Metaphor to Understand Large Numbers
- Draw a line approximately 4 inches long.
- Label the left end of the line "one million".
- Label the right end of the line "one trillion".
- Mark a mark on the line indicating where 6 billion, 200 million would fall.
- Give students the following metaphor: If we had 10,000 dollar bills and we stacked them one million dollars = approximately 4 inches. One billion dollars = 300 feet or about 1 block; One trillion dollars = 63 miles.
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