Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 31 by rounding each number to the nearest 10: ______
- Estimate 57 − 63 by rounding each number to the nearest 10: ______
- Estimate 83 + 25 by rounding each number to the nearest 10: ______
- Estimate 33 − 61 by rounding each number to the nearest 10: ______
- Estimate 57 + 38 by rounding each number to the nearest 10: ______
- Estimate 38 + 77 by rounding each number to the nearest 10: ______
- Estimate 76 − 65 by rounding each number to the nearest 10: ______
- Estimate 58 + 81 by rounding each number to the nearest 10: ______
- Estimate 62 − 72 by rounding each number to the nearest 10: ______
- Estimate 39 + 26 by rounding each number to the nearest 10: ______
- Estimate 72 − 88 by rounding each number to the nearest 10: ______
- Estimate 21 + 79 by rounding each number to the nearest 10: ______
- Estimate 65 + 75 by rounding each number to the nearest 10: ______
- Estimate 63 − 61 by rounding each number to the nearest 10: ______
- Estimate 58 + 87 by rounding each number to the nearest 10: ______
- Estimate 32 + 54 by rounding each number to the nearest 10: ______
- Estimate 60 + 73 by rounding each number to the nearest 10: ______
- Estimate 75 + 39 by rounding each number to the nearest 10: ______
- Estimate 63 − 45 by rounding each number to the nearest 10: ______
- Estimate 68 − 46 by rounding each number to the nearest 10: ______