+ - x ÷ Algebra Fractions Measurement Geometry Patterns
Money Data Integers Estimation Required Plug-ins
- Can you Fill It?
Pick the combination of pots that will fill the container with the fewest number of pours.
- Comparison Estimator
Compare the length of two lines, the area of two shapes, or the number of objects on each side.
- Estimation Contraption
Quickly estimate of what the list of numbers would add up to.
How good are your estimation skills?
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