Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 − 60 by rounding each number to the nearest 10: ______
- Estimate 66 + 39 by rounding each number to the nearest 10: ______
- Estimate 23 + 23 by rounding each number to the nearest 10: ______
- Estimate 36 − 39 by rounding each number to the nearest 10: ______
- Estimate 82 − 87 by rounding each number to the nearest 10: ______
- Estimate 34 − 62 by rounding each number to the nearest 10: ______
- Estimate 55 − 86 by rounding each number to the nearest 10: ______
- Estimate 43 − 86 by rounding each number to the nearest 10: ______
- Estimate 47 + 21 by rounding each number to the nearest 10: ______
- Estimate 88 − 69 by rounding each number to the nearest 10: ______
- Estimate 72 + 71 by rounding each number to the nearest 10: ______
- Estimate 22 + 31 by rounding each number to the nearest 10: ______
- Estimate 66 − 77 by rounding each number to the nearest 10: ______
- Estimate 44 − 79 by rounding each number to the nearest 10: ______
- Estimate 88 − 30 by rounding each number to the nearest 10: ______
- Estimate 22 − 72 by rounding each number to the nearest 10: ______
- Estimate 74 + 83 by rounding each number to the nearest 10: ______
- Estimate 73 − 67 by rounding each number to the nearest 10: ______
- Estimate 39 − 66 by rounding each number to the nearest 10: ______
- Estimate 37 + 48 by rounding each number to the nearest 10: ______