Texas Math Models

Try “number line” or “4.5D”

On a number line

where it sits, and what it is near

34,502 G3–4

every number has one spot on the line, between two neighbors34,00035,00034,50034,50034,51034,502zoom in at 34,500 and the 2 has somewhere to be34,50234,5030.7 to 0.834,502.734,502.834,502.76the same zoom, one place further righta number line gives a number its neighbors, which is how you know what it is near

How this one works

How

find the two numbers it sits between, then zoom in until you can mark it.

Best when

you need to know what a number is close to.

seen one of these on a test? See it on a real question: TEKS 4.2B, what each digit is worth.

The same problem, other ways