Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 72 + 56 by rounding each number to the nearest 10: ______
- Estimate 71 − 67 by rounding each number to the nearest 10: ______
- Estimate 58 − 76 by rounding each number to the nearest 10: ______
- Estimate 58 + 80 by rounding each number to the nearest 10: ______
- Estimate 87 − 86 by rounding each number to the nearest 10: ______
- Estimate 25 − 27 by rounding each number to the nearest 10: ______
- Estimate 77 − 45 by rounding each number to the nearest 10: ______
- Estimate 23 + 35 by rounding each number to the nearest 10: ______
- Estimate 37 − 87 by rounding each number to the nearest 10: ______
- Estimate 22 + 41 by rounding each number to the nearest 10: ______
- Estimate 24 − 46 by rounding each number to the nearest 10: ______
- Estimate 63 − 70 by rounding each number to the nearest 10: ______
- Estimate 24 + 67 by rounding each number to the nearest 10: ______
- Estimate 40 − 38 by rounding each number to the nearest 10: ______
- Estimate 60 + 30 by rounding each number to the nearest 10: ______
- Estimate 50 − 33 by rounding each number to the nearest 10: ______
- Estimate 22 − 57 by rounding each number to the nearest 10: ______
- Estimate 51 + 77 by rounding each number to the nearest 10: ______
- Estimate 32 + 22 by rounding each number to the nearest 10: ______
- Estimate 34 − 29 by rounding each number to the nearest 10: ______