Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 47 + 73 by rounding each number to the nearest 10: ______
- Estimate 43 + 49 by rounding each number to the nearest 10: ______
- Estimate 84 − 45 by rounding each number to the nearest 10: ______
- Estimate 60 + 59 by rounding each number to the nearest 10: ______
- Estimate 75 + 43 by rounding each number to the nearest 10: ______
- Estimate 79 − 62 by rounding each number to the nearest 10: ______
- Estimate 56 + 46 by rounding each number to the nearest 10: ______
- Estimate 57 + 76 by rounding each number to the nearest 10: ______
- Estimate 44 + 59 by rounding each number to the nearest 10: ______
- Estimate 79 + 71 by rounding each number to the nearest 10: ______
- Estimate 80 − 78 by rounding each number to the nearest 10: ______
- Estimate 35 − 88 by rounding each number to the nearest 10: ______
- Estimate 42 + 71 by rounding each number to the nearest 10: ______
- Estimate 78 − 76 by rounding each number to the nearest 10: ______
- Estimate 40 + 77 by rounding each number to the nearest 10: ______
- Estimate 57 − 47 by rounding each number to the nearest 10: ______
- Estimate 34 − 89 by rounding each number to the nearest 10: ______
- Estimate 55 − 76 by rounding each number to the nearest 10: ______
- Estimate 21 + 61 by rounding each number to the nearest 10: ______
- Estimate 72 + 83 by rounding each number to the nearest 10: ______