Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 77 + 21 by rounding each number to the nearest 10: ______
- Estimate 65 − 30 by rounding each number to the nearest 10: ______
- Estimate 64 − 74 by rounding each number to the nearest 10: ______
- Estimate 55 + 32 by rounding each number to the nearest 10: ______
- Estimate 30 − 63 by rounding each number to the nearest 10: ______
- Estimate 59 + 61 by rounding each number to the nearest 10: ______
- Estimate 39 − 29 by rounding each number to the nearest 10: ______
- Estimate 84 + 48 by rounding each number to the nearest 10: ______
- Estimate 55 + 71 by rounding each number to the nearest 10: ______
- Estimate 86 + 31 by rounding each number to the nearest 10: ______
- Estimate 61 − 77 by rounding each number to the nearest 10: ______
- Estimate 67 + 62 by rounding each number to the nearest 10: ______
- Estimate 49 + 36 by rounding each number to the nearest 10: ______
- Estimate 21 − 65 by rounding each number to the nearest 10: ______
- Estimate 35 − 61 by rounding each number to the nearest 10: ______
- Estimate 67 − 54 by rounding each number to the nearest 10: ______
- Estimate 58 − 53 by rounding each number to the nearest 10: ______
- Estimate 76 + 62 by rounding each number to the nearest 10: ______
- Estimate 75 − 39 by rounding each number to the nearest 10: ______
- Estimate 49 + 44 by rounding each number to the nearest 10: ______