Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 85 by rounding each number to the nearest 10: ______
- Estimate 69 − 58 by rounding each number to the nearest 10: ______
- Estimate 89 − 72 by rounding each number to the nearest 10: ______
- Estimate 32 + 64 by rounding each number to the nearest 10: ______
- Estimate 56 + 50 by rounding each number to the nearest 10: ______
- Estimate 43 + 69 by rounding each number to the nearest 10: ______
- Estimate 86 − 37 by rounding each number to the nearest 10: ______
- Estimate 27 + 22 by rounding each number to the nearest 10: ______
- Estimate 42 − 27 by rounding each number to the nearest 10: ______
- Estimate 51 + 59 by rounding each number to the nearest 10: ______
- Estimate 66 + 74 by rounding each number to the nearest 10: ______
- Estimate 89 + 41 by rounding each number to the nearest 10: ______
- Estimate 23 − 63 by rounding each number to the nearest 10: ______
- Estimate 40 − 60 by rounding each number to the nearest 10: ______
- Estimate 49 − 62 by rounding each number to the nearest 10: ______
- Estimate 66 − 58 by rounding each number to the nearest 10: ______
- Estimate 29 + 70 by rounding each number to the nearest 10: ______
- Estimate 48 − 83 by rounding each number to the nearest 10: ______
- Estimate 53 + 89 by rounding each number to the nearest 10: ______
- Estimate 25 − 35 by rounding each number to the nearest 10: ______