Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 − 48 by rounding each number to the nearest 10: ______
- Estimate 45 + 34 by rounding each number to the nearest 10: ______
- Estimate 81 + 60 by rounding each number to the nearest 10: ______
- Estimate 87 + 52 by rounding each number to the nearest 10: ______
- Estimate 75 + 62 by rounding each number to the nearest 10: ______
- Estimate 29 − 38 by rounding each number to the nearest 10: ______
- Estimate 82 + 32 by rounding each number to the nearest 10: ______
- Estimate 21 − 86 by rounding each number to the nearest 10: ______
- Estimate 27 − 70 by rounding each number to the nearest 10: ______
- Estimate 82 + 74 by rounding each number to the nearest 10: ______
- Estimate 78 + 71 by rounding each number to the nearest 10: ______
- Estimate 80 + 40 by rounding each number to the nearest 10: ______
- Estimate 66 + 77 by rounding each number to the nearest 10: ______
- Estimate 88 + 57 by rounding each number to the nearest 10: ______
- Estimate 38 + 60 by rounding each number to the nearest 10: ______
- Estimate 79 − 41 by rounding each number to the nearest 10: ______
- Estimate 61 − 36 by rounding each number to the nearest 10: ______
- Estimate 57 + 85 by rounding each number to the nearest 10: ______
- Estimate 87 − 42 by rounding each number to the nearest 10: ______
- Estimate 22 + 22 by rounding each number to the nearest 10: ______