Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 60 by rounding each number to the nearest 10: ______
- Estimate 21 − 77 by rounding each number to the nearest 10: ______
- Estimate 39 − 28 by rounding each number to the nearest 10: ______
- Estimate 40 + 57 by rounding each number to the nearest 10: ______
- Estimate 24 + 80 by rounding each number to the nearest 10: ______
- Estimate 60 + 43 by rounding each number to the nearest 10: ______
- Estimate 72 − 83 by rounding each number to the nearest 10: ______
- Estimate 48 + 56 by rounding each number to the nearest 10: ______
- Estimate 41 − 71 by rounding each number to the nearest 10: ______
- Estimate 77 − 43 by rounding each number to the nearest 10: ______
- Estimate 78 + 26 by rounding each number to the nearest 10: ______
- Estimate 82 + 37 by rounding each number to the nearest 10: ______
- Estimate 52 − 65 by rounding each number to the nearest 10: ______
- Estimate 73 + 78 by rounding each number to the nearest 10: ______
- Estimate 34 + 72 by rounding each number to the nearest 10: ______
- Estimate 33 − 30 by rounding each number to the nearest 10: ______
- Estimate 22 + 78 by rounding each number to the nearest 10: ______
- Estimate 45 − 37 by rounding each number to the nearest 10: ______
- Estimate 37 − 63 by rounding each number to the nearest 10: ______
- Estimate 66 − 32 by rounding each number to the nearest 10: ______