Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 57 − 86 by rounding each number to the nearest 10: ______
- Estimate 74 + 86 by rounding each number to the nearest 10: ______
- Estimate 30 + 38 by rounding each number to the nearest 10: ______
- Estimate 26 + 58 by rounding each number to the nearest 10: ______
- Estimate 70 − 57 by rounding each number to the nearest 10: ______
- Estimate 80 + 81 by rounding each number to the nearest 10: ______
- Estimate 87 + 79 by rounding each number to the nearest 10: ______
- Estimate 56 + 44 by rounding each number to the nearest 10: ______
- Estimate 80 − 24 by rounding each number to the nearest 10: ______
- Estimate 79 + 52 by rounding each number to the nearest 10: ______
- Estimate 26 + 50 by rounding each number to the nearest 10: ______
- Estimate 25 + 76 by rounding each number to the nearest 10: ______
- Estimate 61 − 66 by rounding each number to the nearest 10: ______
- Estimate 42 + 58 by rounding each number to the nearest 10: ______
- Estimate 47 + 50 by rounding each number to the nearest 10: ______
- Estimate 24 − 73 by rounding each number to the nearest 10: ______
- Estimate 78 + 55 by rounding each number to the nearest 10: ______
- Estimate 77 − 71 by rounding each number to the nearest 10: ______
- Estimate 72 + 79 by rounding each number to the nearest 10: ______
- Estimate 21 − 48 by rounding each number to the nearest 10: ______