Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 87 by rounding each number to the nearest 10: ______
- Estimate 46 − 62 by rounding each number to the nearest 10: ______
- Estimate 23 − 21 by rounding each number to the nearest 10: ______
- Estimate 62 − 34 by rounding each number to the nearest 10: ______
- Estimate 83 − 78 by rounding each number to the nearest 10: ______
- Estimate 65 + 41 by rounding each number to the nearest 10: ______
- Estimate 80 − 29 by rounding each number to the nearest 10: ______
- Estimate 38 − 80 by rounding each number to the nearest 10: ______
- Estimate 62 − 43 by rounding each number to the nearest 10: ______
- Estimate 37 + 56 by rounding each number to the nearest 10: ______
- Estimate 26 + 54 by rounding each number to the nearest 10: ______
- Estimate 28 + 86 by rounding each number to the nearest 10: ______
- Estimate 55 + 35 by rounding each number to the nearest 10: ______
- Estimate 76 + 28 by rounding each number to the nearest 10: ______
- Estimate 74 + 62 by rounding each number to the nearest 10: ______
- Estimate 52 + 44 by rounding each number to the nearest 10: ______
- Estimate 89 + 28 by rounding each number to the nearest 10: ______
- Estimate 25 − 34 by rounding each number to the nearest 10: ______
- Estimate 52 − 75 by rounding each number to the nearest 10: ______
- Estimate 47 + 30 by rounding each number to the nearest 10: ______