By estimating the value of a square root students will get practice in identifying perfect squares, in checking for reasonableness of an answer, and in mental math.
Before the Activity
Students should have access to either TI-83 Plus or TI-84 Plus
During the Activity
Have students use the tokens to complete the worksheet. Do a learning check activity to access learning.
After the Activity
Review student results and, as a class, discuss questions that appeared to be more challenging. Re-teach concepts as necessary.