Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 − 49 by rounding each number to the nearest 10: ______
- Estimate 35 − 60 by rounding each number to the nearest 10: ______
- Estimate 21 − 72 by rounding each number to the nearest 10: ______
- Estimate 85 − 55 by rounding each number to the nearest 10: ______
- Estimate 89 + 78 by rounding each number to the nearest 10: ______
- Estimate 52 − 24 by rounding each number to the nearest 10: ______
- Estimate 40 − 35 by rounding each number to the nearest 10: ______
- Estimate 21 + 57 by rounding each number to the nearest 10: ______
- Estimate 81 + 59 by rounding each number to the nearest 10: ______
- Estimate 40 − 60 by rounding each number to the nearest 10: ______
- Estimate 88 + 77 by rounding each number to the nearest 10: ______
- Estimate 62 + 52 by rounding each number to the nearest 10: ______
- Estimate 29 + 61 by rounding each number to the nearest 10: ______
- Estimate 31 + 89 by rounding each number to the nearest 10: ______
- Estimate 74 − 71 by rounding each number to the nearest 10: ______
- Estimate 24 + 40 by rounding each number to the nearest 10: ______
- Estimate 24 + 79 by rounding each number to the nearest 10: ______
- Estimate 67 + 62 by rounding each number to the nearest 10: ______
- Estimate 69 + 65 by rounding each number to the nearest 10: ______
- Estimate 32 − 82 by rounding each number to the nearest 10: ______