Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 + 28 by rounding each number to the nearest 10: ______
- Estimate 29 + 38 by rounding each number to the nearest 10: ______
- Estimate 43 − 43 by rounding each number to the nearest 10: ______
- Estimate 39 − 37 by rounding each number to the nearest 10: ______
- Estimate 66 − 71 by rounding each number to the nearest 10: ______
- Estimate 42 − 21 by rounding each number to the nearest 10: ______
- Estimate 54 + 86 by rounding each number to the nearest 10: ______
- Estimate 21 + 50 by rounding each number to the nearest 10: ______
- Estimate 55 − 43 by rounding each number to the nearest 10: ______
- Estimate 56 + 78 by rounding each number to the nearest 10: ______
- Estimate 31 + 52 by rounding each number to the nearest 10: ______
- Estimate 81 + 34 by rounding each number to the nearest 10: ______
- Estimate 67 − 44 by rounding each number to the nearest 10: ______
- Estimate 29 + 33 by rounding each number to the nearest 10: ______
- Estimate 65 + 71 by rounding each number to the nearest 10: ______
- Estimate 35 − 45 by rounding each number to the nearest 10: ______
- Estimate 22 + 39 by rounding each number to the nearest 10: ______
- Estimate 62 + 68 by rounding each number to the nearest 10: ______
- Estimate 56 + 48 by rounding each number to the nearest 10: ______
- Estimate 85 − 53 by rounding each number to the nearest 10: ______