Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 − 53 by rounding each number to the nearest 10: ______
- Estimate 21 − 75 by rounding each number to the nearest 10: ______
- Estimate 69 + 61 by rounding each number to the nearest 10: ______
- Estimate 79 + 69 by rounding each number to the nearest 10: ______
- Estimate 86 + 88 by rounding each number to the nearest 10: ______
- Estimate 79 + 36 by rounding each number to the nearest 10: ______
- Estimate 72 − 46 by rounding each number to the nearest 10: ______
- Estimate 76 + 38 by rounding each number to the nearest 10: ______
- Estimate 80 + 54 by rounding each number to the nearest 10: ______
- Estimate 46 − 56 by rounding each number to the nearest 10: ______
- Estimate 63 + 42 by rounding each number to the nearest 10: ______
- Estimate 80 − 45 by rounding each number to the nearest 10: ______
- Estimate 24 + 46 by rounding each number to the nearest 10: ______
- Estimate 39 + 28 by rounding each number to the nearest 10: ______
- Estimate 63 + 37 by rounding each number to the nearest 10: ______
- Estimate 54 − 57 by rounding each number to the nearest 10: ______
- Estimate 30 − 34 by rounding each number to the nearest 10: ______
- Estimate 62 − 53 by rounding each number to the nearest 10: ______
- Estimate 30 + 59 by rounding each number to the nearest 10: ______
- Estimate 63 − 84 by rounding each number to the nearest 10: ______