Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 31 + 42 by rounding each number to the nearest 10: ______
- Estimate 74 + 79 by rounding each number to the nearest 10: ______
- Estimate 26 − 33 by rounding each number to the nearest 10: ______
- Estimate 83 − 47 by rounding each number to the nearest 10: ______
- Estimate 85 − 70 by rounding each number to the nearest 10: ______
- Estimate 27 + 51 by rounding each number to the nearest 10: ______
- Estimate 48 + 86 by rounding each number to the nearest 10: ______
- Estimate 31 + 26 by rounding each number to the nearest 10: ______
- Estimate 41 + 50 by rounding each number to the nearest 10: ______
- Estimate 58 + 48 by rounding each number to the nearest 10: ______
- Estimate 89 + 40 by rounding each number to the nearest 10: ______
- Estimate 48 − 55 by rounding each number to the nearest 10: ______
- Estimate 79 − 21 by rounding each number to the nearest 10: ______
- Estimate 25 + 40 by rounding each number to the nearest 10: ______
- Estimate 38 − 69 by rounding each number to the nearest 10: ______
- Estimate 41 − 45 by rounding each number to the nearest 10: ______
- Estimate 44 − 87 by rounding each number to the nearest 10: ______
- Estimate 71 + 45 by rounding each number to the nearest 10: ______
- Estimate 41 − 39 by rounding each number to the nearest 10: ______
- Estimate 57 − 73 by rounding each number to the nearest 10: ______