Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 73 − 23 by rounding each number to the nearest 10: ______
- Estimate 51 + 81 by rounding each number to the nearest 10: ______
- Estimate 79 − 72 by rounding each number to the nearest 10: ______
- Estimate 55 − 63 by rounding each number to the nearest 10: ______
- Estimate 57 − 80 by rounding each number to the nearest 10: ______
- Estimate 54 + 31 by rounding each number to the nearest 10: ______
- Estimate 88 − 37 by rounding each number to the nearest 10: ______
- Estimate 76 + 25 by rounding each number to the nearest 10: ______
- Estimate 73 + 80 by rounding each number to the nearest 10: ______
- Estimate 64 + 72 by rounding each number to the nearest 10: ______
- Estimate 47 + 30 by rounding each number to the nearest 10: ______
- Estimate 49 + 64 by rounding each number to the nearest 10: ______
- Estimate 77 + 57 by rounding each number to the nearest 10: ______
- Estimate 76 + 39 by rounding each number to the nearest 10: ______
- Estimate 55 + 78 by rounding each number to the nearest 10: ______
- Estimate 37 + 65 by rounding each number to the nearest 10: ______
- Estimate 31 − 56 by rounding each number to the nearest 10: ______
- Estimate 30 + 38 by rounding each number to the nearest 10: ______
- Estimate 71 − 63 by rounding each number to the nearest 10: ______
- Estimate 59 + 43 by rounding each number to the nearest 10: ______