Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 41 by rounding each number to the nearest 10: ______
- Estimate 45 + 64 by rounding each number to the nearest 10: ______
- Estimate 69 − 87 by rounding each number to the nearest 10: ______
- Estimate 38 − 43 by rounding each number to the nearest 10: ______
- Estimate 48 − 79 by rounding each number to the nearest 10: ______
- Estimate 55 − 57 by rounding each number to the nearest 10: ______
- Estimate 37 + 75 by rounding each number to the nearest 10: ______
- Estimate 84 + 81 by rounding each number to the nearest 10: ______
- Estimate 54 − 89 by rounding each number to the nearest 10: ______
- Estimate 72 − 57 by rounding each number to the nearest 10: ______
- Estimate 62 − 25 by rounding each number to the nearest 10: ______
- Estimate 21 + 59 by rounding each number to the nearest 10: ______
- Estimate 31 − 74 by rounding each number to the nearest 10: ______
- Estimate 54 + 45 by rounding each number to the nearest 10: ______
- Estimate 55 + 64 by rounding each number to the nearest 10: ______
- Estimate 30 + 83 by rounding each number to the nearest 10: ______
- Estimate 26 + 39 by rounding each number to the nearest 10: ______
- Estimate 81 − 79 by rounding each number to the nearest 10: ______
- Estimate 51 − 47 by rounding each number to the nearest 10: ______
- Estimate 34 + 42 by rounding each number to the nearest 10: ______