Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 33 + 68 by rounding each number to the nearest 10: ______
- Estimate 46 + 79 by rounding each number to the nearest 10: ______
- Estimate 62 − 78 by rounding each number to the nearest 10: ______
- Estimate 53 + 70 by rounding each number to the nearest 10: ______
- Estimate 88 + 37 by rounding each number to the nearest 10: ______
- Estimate 86 − 61 by rounding each number to the nearest 10: ______
- Estimate 51 − 73 by rounding each number to the nearest 10: ______
- Estimate 71 − 46 by rounding each number to the nearest 10: ______
- Estimate 53 + 39 by rounding each number to the nearest 10: ______
- Estimate 38 − 39 by rounding each number to the nearest 10: ______
- Estimate 83 + 87 by rounding each number to the nearest 10: ______
- Estimate 48 + 77 by rounding each number to the nearest 10: ______
- Estimate 80 + 46 by rounding each number to the nearest 10: ______
- Estimate 46 + 28 by rounding each number to the nearest 10: ______
- Estimate 68 + 30 by rounding each number to the nearest 10: ______
- Estimate 64 + 29 by rounding each number to the nearest 10: ______
- Estimate 75 − 37 by rounding each number to the nearest 10: ______
- Estimate 57 + 85 by rounding each number to the nearest 10: ______
- Estimate 68 − 59 by rounding each number to the nearest 10: ______
- Estimate 23 + 21 by rounding each number to the nearest 10: ______