Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 + 69 by rounding each number to the nearest 10: ______
- Estimate 88 − 73 by rounding each number to the nearest 10: ______
- Estimate 23 − 33 by rounding each number to the nearest 10: ______
- Estimate 72 − 52 by rounding each number to the nearest 10: ______
- Estimate 81 + 89 by rounding each number to the nearest 10: ______
- Estimate 83 − 38 by rounding each number to the nearest 10: ______
- Estimate 63 − 28 by rounding each number to the nearest 10: ______
- Estimate 55 − 67 by rounding each number to the nearest 10: ______
- Estimate 69 − 86 by rounding each number to the nearest 10: ______
- Estimate 89 − 58 by rounding each number to the nearest 10: ______
- Estimate 74 − 79 by rounding each number to the nearest 10: ______
- Estimate 81 − 70 by rounding each number to the nearest 10: ______
- Estimate 52 + 63 by rounding each number to the nearest 10: ______
- Estimate 36 − 22 by rounding each number to the nearest 10: ______
- Estimate 51 − 70 by rounding each number to the nearest 10: ______
- Estimate 37 − 50 by rounding each number to the nearest 10: ______
- Estimate 83 + 42 by rounding each number to the nearest 10: ______
- Estimate 43 − 41 by rounding each number to the nearest 10: ______
- Estimate 51 − 43 by rounding each number to the nearest 10: ______
- Estimate 41 + 41 by rounding each number to the nearest 10: ______