Estimation

=__Estimation__=
 * Activities**
 * xxx
 * Assessments **
 * xxx
 * Books**
 * //Great Estimations,// Bruce Goldstone (B)
 * Games**
 * xxx
 * Journal Worksheets**
 * xxx
 * Manipulatives**
 * xxx
 * Online Resources**
 * xxx
 * SMART Board**
 * xxx
 * Challenge Extensions**
 * [[file:spa12/difference-thousands.pdf|Estimate the Difference 1000s]] (B)
 * [[file:spa12/estimating the difference to the 100s.pdf|Estimate the Difference 100s]] (B)
 * [[file:spa12/sum-thousands.pdf|Estimate the Sum 1000s]] (B)
 * [[file:spa12/sweet estimation sums.pdf|Estimate the Sum 100s]] (B)