Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 − 65 by rounding each number to the nearest 10: ______
- Estimate 86 + 89 by rounding each number to the nearest 10: ______
- Estimate 85 + 54 by rounding each number to the nearest 10: ______
- Estimate 44 − 88 by rounding each number to the nearest 10: ______
- Estimate 30 − 37 by rounding each number to the nearest 10: ______
- Estimate 72 − 31 by rounding each number to the nearest 10: ______
- Estimate 75 − 70 by rounding each number to the nearest 10: ______
- Estimate 41 − 88 by rounding each number to the nearest 10: ______
- Estimate 50 + 57 by rounding each number to the nearest 10: ______
- Estimate 58 + 25 by rounding each number to the nearest 10: ______
- Estimate 59 − 88 by rounding each number to the nearest 10: ______
- Estimate 77 + 86 by rounding each number to the nearest 10: ______
- Estimate 25 + 21 by rounding each number to the nearest 10: ______
- Estimate 35 − 65 by rounding each number to the nearest 10: ______
- Estimate 49 − 77 by rounding each number to the nearest 10: ______
- Estimate 50 + 88 by rounding each number to the nearest 10: ______
- Estimate 27 − 54 by rounding each number to the nearest 10: ______
- Estimate 73 − 84 by rounding each number to the nearest 10: ______
- Estimate 88 − 22 by rounding each number to the nearest 10: ______
- Estimate 58 + 36 by rounding each number to the nearest 10: ______