Rounding and Estimating Activities
Comparison Estimator - compares two sets of objects
Estimating sizes of objects - Guess which length or distance applies to the object.
Estimating by Rounding - addition with regrouping
Estimating by Rounding - subtraction with regrouping
Estimating and rounding decimals - a lesson, examples, and an interactive practice page
Estimating Sum - no hints or clues given
Estimation Valley Golf - Complete the course using estimation skills in as few strokes as possible.
Estimator - Practice estimation skills by determining the number of objects, length, or area.
Guess the Number - developing skills in halving and estimation