Relate Posts
Math Words and Phrases: Math Is Easier If You Speak the Language
Learning Math Words and Phrases We’re not talking about vocabulary and definitions. We’re talking about common speech − about using math words and phrases in everyday situations. Research and classroom evidence shows that understanding and speaking math language in natural sentences makes it easier to learn math. Students who practice paying attention to words in context are less likely to fall into the common difficulties with word problems. And they are more likely to make sense of […]
Scream Machine: Coasters and Records Falling Fast
Eyewitness Math asks students to correct or build upon the math within news stories. These feature lessons were created for and appeared in several editions of Holt secondary math. Scream Machine begins with an account of a coaster record and then careens into analysis and design.
The Split Personality of a Minus Sign
Students often get confused with negative numbers because the same symbol is used to mean two related but different things. Negative quantities and subtraction are not the same. –7 can mean the opposite of 7 –7 can also mean subtract 7 Students have learned that the subtraction symbol means remove or find the difference. But the negative sign, though it looks the same, means something else. It means the opposite of. Here’s another way to think […]