Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 88 − 87 by rounding each number to the nearest 10: ______
- Estimate 41 + 22 by rounding each number to the nearest 10: ______
- Estimate 84 + 38 by rounding each number to the nearest 10: ______
- Estimate 27 − 86 by rounding each number to the nearest 10: ______
- Estimate 87 + 77 by rounding each number to the nearest 10: ______
- Estimate 31 + 79 by rounding each number to the nearest 10: ______
- Estimate 76 − 65 by rounding each number to the nearest 10: ______
- Estimate 31 − 35 by rounding each number to the nearest 10: ______
- Estimate 85 − 64 by rounding each number to the nearest 10: ______
- Estimate 71 + 86 by rounding each number to the nearest 10: ______
- Estimate 73 + 43 by rounding each number to the nearest 10: ______
- Estimate 57 + 34 by rounding each number to the nearest 10: ______
- Estimate 50 − 83 by rounding each number to the nearest 10: ______
- Estimate 47 − 54 by rounding each number to the nearest 10: ______
- Estimate 81 − 56 by rounding each number to the nearest 10: ______
- Estimate 28 − 38 by rounding each number to the nearest 10: ______
- Estimate 51 − 88 by rounding each number to the nearest 10: ______
- Estimate 38 − 33 by rounding each number to the nearest 10: ______
- Estimate 56 − 80 by rounding each number to the nearest 10: ______
- Estimate 75 + 78 by rounding each number to the nearest 10: ______