Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 76 − 38 by rounding each number to the nearest 10: ______
- Estimate 50 + 76 by rounding each number to the nearest 10: ______
- Estimate 52 + 32 by rounding each number to the nearest 10: ______
- Estimate 45 + 33 by rounding each number to the nearest 10: ______
- Estimate 71 − 58 by rounding each number to the nearest 10: ______
- Estimate 40 − 43 by rounding each number to the nearest 10: ______
- Estimate 56 + 60 by rounding each number to the nearest 10: ______
- Estimate 61 + 32 by rounding each number to the nearest 10: ______
- Estimate 89 − 40 by rounding each number to the nearest 10: ______
- Estimate 79 + 81 by rounding each number to the nearest 10: ______
- Estimate 73 + 65 by rounding each number to the nearest 10: ______
- Estimate 40 + 23 by rounding each number to the nearest 10: ______
- Estimate 55 + 86 by rounding each number to the nearest 10: ______
- Estimate 61 + 24 by rounding each number to the nearest 10: ______
- Estimate 67 + 50 by rounding each number to the nearest 10: ______
- Estimate 47 + 37 by rounding each number to the nearest 10: ______
- Estimate 81 − 83 by rounding each number to the nearest 10: ______
- Estimate 77 − 26 by rounding each number to the nearest 10: ______
- Estimate 58 + 25 by rounding each number to the nearest 10: ______
- Estimate 23 − 78 by rounding each number to the nearest 10: ______