Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 66 by rounding each number to the nearest 10: ______
- Estimate 31 + 82 by rounding each number to the nearest 10: ______
- Estimate 86 + 29 by rounding each number to the nearest 10: ______
- Estimate 57 − 85 by rounding each number to the nearest 10: ______
- Estimate 60 − 22 by rounding each number to the nearest 10: ______
- Estimate 43 + 64 by rounding each number to the nearest 10: ______
- Estimate 34 + 79 by rounding each number to the nearest 10: ______
- Estimate 42 + 32 by rounding each number to the nearest 10: ______
- Estimate 87 − 86 by rounding each number to the nearest 10: ______
- Estimate 33 − 32 by rounding each number to the nearest 10: ______
- Estimate 21 − 44 by rounding each number to the nearest 10: ______
- Estimate 85 − 69 by rounding each number to the nearest 10: ______
- Estimate 62 + 24 by rounding each number to the nearest 10: ______
- Estimate 21 − 58 by rounding each number to the nearest 10: ______
- Estimate 52 − 22 by rounding each number to the nearest 10: ______
- Estimate 74 − 22 by rounding each number to the nearest 10: ______
- Estimate 48 − 88 by rounding each number to the nearest 10: ______
- Estimate 47 + 33 by rounding each number to the nearest 10: ______
- Estimate 25 − 76 by rounding each number to the nearest 10: ______
- Estimate 79 − 80 by rounding each number to the nearest 10: ______