Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 58 − 74 by rounding each number to the nearest 10: ______
- Estimate 81 − 56 by rounding each number to the nearest 10: ______
- Estimate 46 − 59 by rounding each number to the nearest 10: ______
- Estimate 40 + 26 by rounding each number to the nearest 10: ______
- Estimate 42 + 25 by rounding each number to the nearest 10: ______
- Estimate 31 + 39 by rounding each number to the nearest 10: ______
- Estimate 47 + 63 by rounding each number to the nearest 10: ______
- Estimate 55 + 66 by rounding each number to the nearest 10: ______
- Estimate 43 − 82 by rounding each number to the nearest 10: ______
- Estimate 48 + 27 by rounding each number to the nearest 10: ______
- Estimate 64 + 65 by rounding each number to the nearest 10: ______
- Estimate 63 + 71 by rounding each number to the nearest 10: ______
- Estimate 57 − 61 by rounding each number to the nearest 10: ______
- Estimate 55 − 31 by rounding each number to the nearest 10: ______
- Estimate 81 + 29 by rounding each number to the nearest 10: ______
- Estimate 50 − 82 by rounding each number to the nearest 10: ______
- Estimate 67 − 65 by rounding each number to the nearest 10: ______
- Estimate 74 − 77 by rounding each number to the nearest 10: ______
- Estimate 27 − 80 by rounding each number to the nearest 10: ______
- Estimate 21 − 33 by rounding each number to the nearest 10: ______