Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 51 − 89 by rounding each number to the nearest 10: ______
- Estimate 75 + 45 by rounding each number to the nearest 10: ______
- Estimate 41 − 23 by rounding each number to the nearest 10: ______
- Estimate 51 − 37 by rounding each number to the nearest 10: ______
- Estimate 44 + 76 by rounding each number to the nearest 10: ______
- Estimate 23 + 84 by rounding each number to the nearest 10: ______
- Estimate 29 + 70 by rounding each number to the nearest 10: ______
- Estimate 40 + 28 by rounding each number to the nearest 10: ______
- Estimate 73 + 22 by rounding each number to the nearest 10: ______
- Estimate 39 − 73 by rounding each number to the nearest 10: ______
- Estimate 87 + 86 by rounding each number to the nearest 10: ______
- Estimate 79 − 84 by rounding each number to the nearest 10: ______
- Estimate 35 + 41 by rounding each number to the nearest 10: ______
- Estimate 74 − 60 by rounding each number to the nearest 10: ______
- Estimate 59 − 73 by rounding each number to the nearest 10: ______
- Estimate 54 − 32 by rounding each number to the nearest 10: ______
- Estimate 48 − 43 by rounding each number to the nearest 10: ______
- Estimate 21 + 48 by rounding each number to the nearest 10: ______
- Estimate 40 − 50 by rounding each number to the nearest 10: ______
- Estimate 86 + 69 by rounding each number to the nearest 10: ______