Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 + 38 by rounding each number to the nearest 10: ______
- Estimate 75 + 31 by rounding each number to the nearest 10: ______
- Estimate 44 − 22 by rounding each number to the nearest 10: ______
- Estimate 54 − 59 by rounding each number to the nearest 10: ______
- Estimate 61 − 34 by rounding each number to the nearest 10: ______
- Estimate 82 + 40 by rounding each number to the nearest 10: ______
- Estimate 78 + 61 by rounding each number to the nearest 10: ______
- Estimate 26 − 89 by rounding each number to the nearest 10: ______
- Estimate 60 − 41 by rounding each number to the nearest 10: ______
- Estimate 49 − 86 by rounding each number to the nearest 10: ______
- Estimate 45 − 27 by rounding each number to the nearest 10: ______
- Estimate 63 − 70 by rounding each number to the nearest 10: ______
- Estimate 73 − 77 by rounding each number to the nearest 10: ______
- Estimate 25 − 86 by rounding each number to the nearest 10: ______
- Estimate 87 − 54 by rounding each number to the nearest 10: ______
- Estimate 42 + 24 by rounding each number to the nearest 10: ______
- Estimate 47 + 79 by rounding each number to the nearest 10: ______
- Estimate 81 + 48 by rounding each number to the nearest 10: ______
- Estimate 88 − 26 by rounding each number to the nearest 10: ______
- Estimate 74 − 75 by rounding each number to the nearest 10: ______