Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 25 + 63 by rounding each number to the nearest 10: ______
- Estimate 71 − 43 by rounding each number to the nearest 10: ______
- Estimate 37 − 53 by rounding each number to the nearest 10: ______
- Estimate 81 + 60 by rounding each number to the nearest 10: ______
- Estimate 56 − 51 by rounding each number to the nearest 10: ______
- Estimate 31 + 48 by rounding each number to the nearest 10: ______
- Estimate 71 + 87 by rounding each number to the nearest 10: ______
- Estimate 45 + 38 by rounding each number to the nearest 10: ______
- Estimate 61 + 56 by rounding each number to the nearest 10: ______
- Estimate 56 − 48 by rounding each number to the nearest 10: ______
- Estimate 41 − 24 by rounding each number to the nearest 10: ______
- Estimate 68 + 53 by rounding each number to the nearest 10: ______
- Estimate 75 + 57 by rounding each number to the nearest 10: ______
- Estimate 21 − 23 by rounding each number to the nearest 10: ______
- Estimate 52 − 34 by rounding each number to the nearest 10: ______
- Estimate 83 − 68 by rounding each number to the nearest 10: ______
- Estimate 46 − 50 by rounding each number to the nearest 10: ______
- Estimate 45 − 75 by rounding each number to the nearest 10: ______
- Estimate 62 + 81 by rounding each number to the nearest 10: ______
- Estimate 77 − 86 by rounding each number to the nearest 10: ______