Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 44 + 54 by rounding each number to the nearest 10: ______
- Estimate 39 + 48 by rounding each number to the nearest 10: ______
- Estimate 42 − 86 by rounding each number to the nearest 10: ______
- Estimate 76 + 21 by rounding each number to the nearest 10: ______
- Estimate 79 − 45 by rounding each number to the nearest 10: ______
- Estimate 45 − 67 by rounding each number to the nearest 10: ______
- Estimate 41 + 45 by rounding each number to the nearest 10: ______
- Estimate 62 − 33 by rounding each number to the nearest 10: ______
- Estimate 81 + 37 by rounding each number to the nearest 10: ______
- Estimate 76 + 73 by rounding each number to the nearest 10: ______
- Estimate 22 − 58 by rounding each number to the nearest 10: ______
- Estimate 87 + 73 by rounding each number to the nearest 10: ______
- Estimate 48 + 63 by rounding each number to the nearest 10: ______
- Estimate 71 − 47 by rounding each number to the nearest 10: ______
- Estimate 89 − 72 by rounding each number to the nearest 10: ______
- Estimate 59 − 26 by rounding each number to the nearest 10: ______
- Estimate 29 + 85 by rounding each number to the nearest 10: ______
- Estimate 77 − 21 by rounding each number to the nearest 10: ______
- Estimate 62 + 72 by rounding each number to the nearest 10: ______
- Estimate 24 − 51 by rounding each number to the nearest 10: ______