Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 + 78 by rounding each number to the nearest 10: ______
- Estimate 51 + 65 by rounding each number to the nearest 10: ______
- Estimate 23 − 65 by rounding each number to the nearest 10: ______
- Estimate 64 + 53 by rounding each number to the nearest 10: ______
- Estimate 42 + 77 by rounding each number to the nearest 10: ______
- Estimate 52 + 21 by rounding each number to the nearest 10: ______
- Estimate 70 + 63 by rounding each number to the nearest 10: ______
- Estimate 71 + 77 by rounding each number to the nearest 10: ______
- Estimate 39 − 77 by rounding each number to the nearest 10: ______
- Estimate 71 − 80 by rounding each number to the nearest 10: ______
- Estimate 84 − 34 by rounding each number to the nearest 10: ______
- Estimate 23 + 51 by rounding each number to the nearest 10: ______
- Estimate 33 − 21 by rounding each number to the nearest 10: ______
- Estimate 47 + 49 by rounding each number to the nearest 10: ______
- Estimate 29 − 48 by rounding each number to the nearest 10: ______
- Estimate 36 + 76 by rounding each number to the nearest 10: ______
- Estimate 42 + 23 by rounding each number to the nearest 10: ______
- Estimate 72 + 70 by rounding each number to the nearest 10: ______
- Estimate 84 + 41 by rounding each number to the nearest 10: ______
- Estimate 83 − 61 by rounding each number to the nearest 10: ______