Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 + 26 by rounding each number to the nearest 10: ______
- Estimate 83 + 70 by rounding each number to the nearest 10: ______
- Estimate 60 − 49 by rounding each number to the nearest 10: ______
- Estimate 28 + 79 by rounding each number to the nearest 10: ______
- Estimate 65 − 46 by rounding each number to the nearest 10: ______
- Estimate 73 + 42 by rounding each number to the nearest 10: ______
- Estimate 34 − 54 by rounding each number to the nearest 10: ______
- Estimate 59 + 58 by rounding each number to the nearest 10: ______
- Estimate 23 − 27 by rounding each number to the nearest 10: ______
- Estimate 47 + 26 by rounding each number to the nearest 10: ______
- Estimate 54 + 76 by rounding each number to the nearest 10: ______
- Estimate 36 − 82 by rounding each number to the nearest 10: ______
- Estimate 40 − 42 by rounding each number to the nearest 10: ______
- Estimate 48 − 42 by rounding each number to the nearest 10: ______
- Estimate 70 − 37 by rounding each number to the nearest 10: ______
- Estimate 62 + 81 by rounding each number to the nearest 10: ______
- Estimate 57 + 36 by rounding each number to the nearest 10: ______
- Estimate 42 + 38 by rounding each number to the nearest 10: ______
- Estimate 54 − 27 by rounding each number to the nearest 10: ______
- Estimate 39 − 73 by rounding each number to the nearest 10: ______