Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 35 − 53 by rounding each number to the nearest 10: ______
- Estimate 66 − 61 by rounding each number to the nearest 10: ______
- Estimate 24 − 43 by rounding each number to the nearest 10: ______
- Estimate 48 − 39 by rounding each number to the nearest 10: ______
- Estimate 49 + 52 by rounding each number to the nearest 10: ______
- Estimate 54 − 32 by rounding each number to the nearest 10: ______
- Estimate 79 − 66 by rounding each number to the nearest 10: ______
- Estimate 83 + 63 by rounding each number to the nearest 10: ______
- Estimate 46 + 86 by rounding each number to the nearest 10: ______
- Estimate 45 − 74 by rounding each number to the nearest 10: ______
- Estimate 83 + 76 by rounding each number to the nearest 10: ______
- Estimate 28 − 47 by rounding each number to the nearest 10: ______
- Estimate 74 − 21 by rounding each number to the nearest 10: ______
- Estimate 29 + 38 by rounding each number to the nearest 10: ______
- Estimate 62 − 87 by rounding each number to the nearest 10: ______
- Estimate 30 − 62 by rounding each number to the nearest 10: ______
- Estimate 77 − 88 by rounding each number to the nearest 10: ______
- Estimate 67 + 33 by rounding each number to the nearest 10: ______
- Estimate 35 + 25 by rounding each number to the nearest 10: ______
- Estimate 70 + 45 by rounding each number to the nearest 10: ______