Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 − 58 by rounding each number to the nearest 10: ______
- Estimate 55 + 30 by rounding each number to the nearest 10: ______
- Estimate 62 + 21 by rounding each number to the nearest 10: ______
- Estimate 79 + 79 by rounding each number to the nearest 10: ______
- Estimate 85 + 70 by rounding each number to the nearest 10: ______
- Estimate 82 − 59 by rounding each number to the nearest 10: ______
- Estimate 34 + 77 by rounding each number to the nearest 10: ______
- Estimate 34 − 83 by rounding each number to the nearest 10: ______
- Estimate 33 − 69 by rounding each number to the nearest 10: ______
- Estimate 76 + 57 by rounding each number to the nearest 10: ______
- Estimate 24 − 43 by rounding each number to the nearest 10: ______
- Estimate 77 − 53 by rounding each number to the nearest 10: ______
- Estimate 39 + 83 by rounding each number to the nearest 10: ______
- Estimate 54 − 59 by rounding each number to the nearest 10: ______
- Estimate 43 − 56 by rounding each number to the nearest 10: ______
- Estimate 44 + 85 by rounding each number to the nearest 10: ______
- Estimate 27 − 88 by rounding each number to the nearest 10: ______
- Estimate 62 + 47 by rounding each number to the nearest 10: ______
- Estimate 73 + 36 by rounding each number to the nearest 10: ______
- Estimate 67 + 25 by rounding each number to the nearest 10: ______