Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 − 63 by rounding each number to the nearest 10: ______
- Estimate 35 + 22 by rounding each number to the nearest 10: ______
- Estimate 34 − 72 by rounding each number to the nearest 10: ______
- Estimate 50 + 23 by rounding each number to the nearest 10: ______
- Estimate 80 + 59 by rounding each number to the nearest 10: ______
- Estimate 54 − 86 by rounding each number to the nearest 10: ______
- Estimate 54 + 39 by rounding each number to the nearest 10: ______
- Estimate 24 + 66 by rounding each number to the nearest 10: ______
- Estimate 75 + 67 by rounding each number to the nearest 10: ______
- Estimate 75 + 70 by rounding each number to the nearest 10: ______
- Estimate 46 + 79 by rounding each number to the nearest 10: ______
- Estimate 30 + 41 by rounding each number to the nearest 10: ______
- Estimate 23 − 86 by rounding each number to the nearest 10: ______
- Estimate 81 + 23 by rounding each number to the nearest 10: ______
- Estimate 80 − 32 by rounding each number to the nearest 10: ______
- Estimate 52 + 62 by rounding each number to the nearest 10: ______
- Estimate 79 + 86 by rounding each number to the nearest 10: ______
- Estimate 29 + 30 by rounding each number to the nearest 10: ______
- Estimate 87 + 27 by rounding each number to the nearest 10: ______
- Estimate 88 + 27 by rounding each number to the nearest 10: ______