Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 53 − 86 by rounding each number to the nearest 10: ______
- Estimate 30 − 82 by rounding each number to the nearest 10: ______
- Estimate 64 − 41 by rounding each number to the nearest 10: ______
- Estimate 43 − 40 by rounding each number to the nearest 10: ______
- Estimate 83 + 22 by rounding each number to the nearest 10: ______
- Estimate 52 + 60 by rounding each number to the nearest 10: ______
- Estimate 65 + 61 by rounding each number to the nearest 10: ______
- Estimate 84 + 32 by rounding each number to the nearest 10: ______
- Estimate 25 − 31 by rounding each number to the nearest 10: ______
- Estimate 65 − 43 by rounding each number to the nearest 10: ______
- Estimate 27 − 22 by rounding each number to the nearest 10: ______
- Estimate 65 − 38 by rounding each number to the nearest 10: ______
- Estimate 73 − 27 by rounding each number to the nearest 10: ______
- Estimate 68 + 35 by rounding each number to the nearest 10: ______
- Estimate 31 − 73 by rounding each number to the nearest 10: ______
- Estimate 36 + 72 by rounding each number to the nearest 10: ______
- Estimate 58 + 77 by rounding each number to the nearest 10: ______
- Estimate 74 + 35 by rounding each number to the nearest 10: ______
- Estimate 67 + 40 by rounding each number to the nearest 10: ______
- Estimate 39 − 80 by rounding each number to the nearest 10: ______