Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 86 − 28 by rounding each number to the nearest 10: ______
- Estimate 46 + 47 by rounding each number to the nearest 10: ______
- Estimate 81 − 85 by rounding each number to the nearest 10: ______
- Estimate 26 + 37 by rounding each number to the nearest 10: ______
- Estimate 36 − 85 by rounding each number to the nearest 10: ______
- Estimate 44 + 82 by rounding each number to the nearest 10: ______
- Estimate 52 + 63 by rounding each number to the nearest 10: ______
- Estimate 37 + 73 by rounding each number to the nearest 10: ______
- Estimate 38 + 23 by rounding each number to the nearest 10: ______
- Estimate 27 − 52 by rounding each number to the nearest 10: ______
- Estimate 79 − 80 by rounding each number to the nearest 10: ______
- Estimate 23 − 30 by rounding each number to the nearest 10: ______
- Estimate 38 + 86 by rounding each number to the nearest 10: ______
- Estimate 39 + 79 by rounding each number to the nearest 10: ______
- Estimate 36 − 74 by rounding each number to the nearest 10: ______
- Estimate 53 − 23 by rounding each number to the nearest 10: ______
- Estimate 23 + 68 by rounding each number to the nearest 10: ______
- Estimate 72 − 74 by rounding each number to the nearest 10: ______
- Estimate 31 + 34 by rounding each number to the nearest 10: ______
- Estimate 57 − 87 by rounding each number to the nearest 10: ______