Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 21 by rounding each number to the nearest 10: ______
- Estimate 75 + 74 by rounding each number to the nearest 10: ______
- Estimate 60 − 70 by rounding each number to the nearest 10: ______
- Estimate 80 + 50 by rounding each number to the nearest 10: ______
- Estimate 39 + 30 by rounding each number to the nearest 10: ______
- Estimate 79 − 28 by rounding each number to the nearest 10: ______
- Estimate 52 + 56 by rounding each number to the nearest 10: ______
- Estimate 54 − 83 by rounding each number to the nearest 10: ______
- Estimate 50 + 61 by rounding each number to the nearest 10: ______
- Estimate 83 + 31 by rounding each number to the nearest 10: ______
- Estimate 30 − 72 by rounding each number to the nearest 10: ______
- Estimate 24 + 86 by rounding each number to the nearest 10: ______
- Estimate 31 + 77 by rounding each number to the nearest 10: ______
- Estimate 25 − 33 by rounding each number to the nearest 10: ______
- Estimate 86 + 59 by rounding each number to the nearest 10: ______
- Estimate 59 − 27 by rounding each number to the nearest 10: ______
- Estimate 73 + 44 by rounding each number to the nearest 10: ______
- Estimate 40 − 60 by rounding each number to the nearest 10: ______
- Estimate 66 − 51 by rounding each number to the nearest 10: ______
- Estimate 60 + 34 by rounding each number to the nearest 10: ______