Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 − 71 by rounding each number to the nearest 10: ______
- Estimate 42 − 32 by rounding each number to the nearest 10: ______
- Estimate 62 − 78 by rounding each number to the nearest 10: ______
- Estimate 27 − 72 by rounding each number to the nearest 10: ______
- Estimate 41 + 65 by rounding each number to the nearest 10: ______
- Estimate 22 − 73 by rounding each number to the nearest 10: ______
- Estimate 77 + 43 by rounding each number to the nearest 10: ______
- Estimate 49 + 62 by rounding each number to the nearest 10: ______
- Estimate 58 + 46 by rounding each number to the nearest 10: ______
- Estimate 56 + 40 by rounding each number to the nearest 10: ______
- Estimate 48 + 46 by rounding each number to the nearest 10: ______
- Estimate 42 + 42 by rounding each number to the nearest 10: ______
- Estimate 53 − 35 by rounding each number to the nearest 10: ______
- Estimate 50 − 46 by rounding each number to the nearest 10: ______
- Estimate 58 + 79 by rounding each number to the nearest 10: ______
- Estimate 40 − 86 by rounding each number to the nearest 10: ______
- Estimate 86 + 50 by rounding each number to the nearest 10: ______
- Estimate 74 − 70 by rounding each number to the nearest 10: ______
- Estimate 65 + 63 by rounding each number to the nearest 10: ______
- Estimate 72 + 45 by rounding each number to the nearest 10: ______