Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 − 43 by rounding each number to the nearest 10: ______
- Estimate 47 − 33 by rounding each number to the nearest 10: ______
- Estimate 37 + 29 by rounding each number to the nearest 10: ______
- Estimate 64 − 72 by rounding each number to the nearest 10: ______
- Estimate 44 − 55 by rounding each number to the nearest 10: ______
- Estimate 38 − 49 by rounding each number to the nearest 10: ______
- Estimate 29 − 62 by rounding each number to the nearest 10: ______
- Estimate 35 + 74 by rounding each number to the nearest 10: ______
- Estimate 76 + 76 by rounding each number to the nearest 10: ______
- Estimate 50 − 79 by rounding each number to the nearest 10: ______
- Estimate 81 − 29 by rounding each number to the nearest 10: ______
- Estimate 30 + 79 by rounding each number to the nearest 10: ______
- Estimate 52 + 82 by rounding each number to the nearest 10: ______
- Estimate 36 + 61 by rounding each number to the nearest 10: ______
- Estimate 45 − 67 by rounding each number to the nearest 10: ______
- Estimate 87 + 26 by rounding each number to the nearest 10: ______
- Estimate 89 − 39 by rounding each number to the nearest 10: ______
- Estimate 51 + 71 by rounding each number to the nearest 10: ______
- Estimate 53 + 89 by rounding each number to the nearest 10: ______
- Estimate 21 + 61 by rounding each number to the nearest 10: ______