When is -12.5 "more than" -6.25 ?
vocabulary: elevation (vertical position), depth (distance below sea level)
suppose we discovered two mermaids underwater: mermaid a and mermaid b. we can say that they live
below sea level. mermaid a is found 12.5 miles below sea level and mermaid b is found 6.25 miles below
sea level.
we can also say that mermaid a is found at an elevation of 12.5.
and mermaid b is found at an elevation of-6.25.
on the number line below
o draw a squiggly line across the page to represent sea level and label it
ograph the locations of mermaid a and b.
poor
sea level
1-12
-6.25
mermaid b
conclusion
mermaid a is found at a depth of
- 12.5
mermaid a is found at a depth of
mermaid b is found at a depth of