Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 63 + 76 by rounding each number to the nearest 10: ______
- Estimate 59 + 42 by rounding each number to the nearest 10: ______
- Estimate 72 − 45 by rounding each number to the nearest 10: ______
- Estimate 67 − 49 by rounding each number to the nearest 10: ______
- Estimate 39 + 72 by rounding each number to the nearest 10: ______
- Estimate 80 − 22 by rounding each number to the nearest 10: ______
- Estimate 30 − 35 by rounding each number to the nearest 10: ______
- Estimate 71 − 79 by rounding each number to the nearest 10: ______
- Estimate 41 − 43 by rounding each number to the nearest 10: ______
- Estimate 43 + 41 by rounding each number to the nearest 10: ______
- Estimate 36 − 83 by rounding each number to the nearest 10: ______
- Estimate 26 − 57 by rounding each number to the nearest 10: ______
- Estimate 77 − 33 by rounding each number to the nearest 10: ______
- Estimate 23 − 48 by rounding each number to the nearest 10: ______
- Estimate 36 − 40 by rounding each number to the nearest 10: ______
- Estimate 83 + 56 by rounding each number to the nearest 10: ______
- Estimate 86 + 53 by rounding each number to the nearest 10: ______
- Estimate 49 + 57 by rounding each number to the nearest 10: ______
- Estimate 79 − 38 by rounding each number to the nearest 10: ______
- Estimate 72 + 52 by rounding each number to the nearest 10: ______