Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 − 43 by rounding each number to the nearest 10: ______
- Estimate 29 + 44 by rounding each number to the nearest 10: ______
- Estimate 25 + 51 by rounding each number to the nearest 10: ______
- Estimate 36 + 58 by rounding each number to the nearest 10: ______
- Estimate 45 − 59 by rounding each number to the nearest 10: ______
- Estimate 39 − 63 by rounding each number to the nearest 10: ______
- Estimate 30 + 74 by rounding each number to the nearest 10: ______
- Estimate 42 + 71 by rounding each number to the nearest 10: ______
- Estimate 46 − 32 by rounding each number to the nearest 10: ______
- Estimate 50 + 72 by rounding each number to the nearest 10: ______
- Estimate 66 + 77 by rounding each number to the nearest 10: ______
- Estimate 34 + 85 by rounding each number to the nearest 10: ______
- Estimate 83 − 58 by rounding each number to the nearest 10: ______
- Estimate 52 + 84 by rounding each number to the nearest 10: ______
- Estimate 85 − 45 by rounding each number to the nearest 10: ______
- Estimate 85 + 76 by rounding each number to the nearest 10: ______
- Estimate 81 − 42 by rounding each number to the nearest 10: ______
- Estimate 41 − 69 by rounding each number to the nearest 10: ______
- Estimate 89 + 44 by rounding each number to the nearest 10: ______
- Estimate 75 − 29 by rounding each number to the nearest 10: ______