Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 − 33 by rounding each number to the nearest 10: ______
- Estimate 79 − 39 by rounding each number to the nearest 10: ______
- Estimate 81 + 45 by rounding each number to the nearest 10: ______
- Estimate 48 + 49 by rounding each number to the nearest 10: ______
- Estimate 83 + 78 by rounding each number to the nearest 10: ______
- Estimate 74 + 80 by rounding each number to the nearest 10: ______
- Estimate 53 − 69 by rounding each number to the nearest 10: ______
- Estimate 88 + 25 by rounding each number to the nearest 10: ______
- Estimate 78 − 62 by rounding each number to the nearest 10: ______
- Estimate 37 + 84 by rounding each number to the nearest 10: ______
- Estimate 70 + 89 by rounding each number to the nearest 10: ______
- Estimate 75 + 51 by rounding each number to the nearest 10: ______
- Estimate 64 + 47 by rounding each number to the nearest 10: ______
- Estimate 75 − 33 by rounding each number to the nearest 10: ______
- Estimate 69 + 87 by rounding each number to the nearest 10: ______
- Estimate 80 + 42 by rounding each number to the nearest 10: ______
- Estimate 34 − 73 by rounding each number to the nearest 10: ______
- Estimate 72 + 41 by rounding each number to the nearest 10: ______
- Estimate 64 + 23 by rounding each number to the nearest 10: ______
- Estimate 31 − 76 by rounding each number to the nearest 10: ______