Summary
Daniel introduces the concept of positive and negative numbers using real-world examples — temperature, elevation, bank accounts. Covers number lines that extend below zero and simple integer comparisons. A solid 8-minute introduction for grades 5–6.
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Teaching resources
Discussion questions
Discussion
Negative numbers are less than zero and appear to the left on a number line.
- If it's −5°F outside, is that warmer or colder than 0°F?
- What does a negative balance in a bank account mean?
- Order these integers from least to greatest: −7, 3, −2, 0, 5.
Quick work-a-long
Vocabulary: positive, negative, integer, opposite, zero, number line, above/below zero.
Try it: Draw a number line from −10 to 10. Plot these points: −3, 5, −8, 2, −1.