Rounding and Estimating Activities

Basket Math provides rounding practice

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