Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 28 by rounding each number to the nearest 10: ______
- Estimate 44 − 23 by rounding each number to the nearest 10: ______
- Estimate 89 + 69 by rounding each number to the nearest 10: ______
- Estimate 25 − 51 by rounding each number to the nearest 10: ______
- Estimate 23 − 37 by rounding each number to the nearest 10: ______
- Estimate 89 − 73 by rounding each number to the nearest 10: ______
- Estimate 66 + 75 by rounding each number to the nearest 10: ______
- Estimate 40 − 35 by rounding each number to the nearest 10: ______
- Estimate 68 − 74 by rounding each number to the nearest 10: ______
- Estimate 62 − 89 by rounding each number to the nearest 10: ______
- Estimate 40 + 33 by rounding each number to the nearest 10: ______
- Estimate 47 + 23 by rounding each number to the nearest 10: ______
- Estimate 82 − 40 by rounding each number to the nearest 10: ______
- Estimate 58 − 21 by rounding each number to the nearest 10: ______
- Estimate 25 + 36 by rounding each number to the nearest 10: ______
- Estimate 62 + 38 by rounding each number to the nearest 10: ______
- Estimate 66 + 45 by rounding each number to the nearest 10: ______
- Estimate 81 + 89 by rounding each number to the nearest 10: ______
- Estimate 47 + 72 by rounding each number to the nearest 10: ______
- Estimate 62 − 56 by rounding each number to the nearest 10: ______