Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 54 by rounding each number to the nearest 10: ______
- Estimate 76 + 38 by rounding each number to the nearest 10: ______
- Estimate 67 + 81 by rounding each number to the nearest 10: ______
- Estimate 68 + 67 by rounding each number to the nearest 10: ______
- Estimate 62 − 73 by rounding each number to the nearest 10: ______
- Estimate 79 + 68 by rounding each number to the nearest 10: ______
- Estimate 27 + 65 by rounding each number to the nearest 10: ______
- Estimate 37 − 80 by rounding each number to the nearest 10: ______
- Estimate 70 − 64 by rounding each number to the nearest 10: ______
- Estimate 23 + 30 by rounding each number to the nearest 10: ______
- Estimate 66 − 50 by rounding each number to the nearest 10: ______
- Estimate 39 + 23 by rounding each number to the nearest 10: ______
- Estimate 61 − 77 by rounding each number to the nearest 10: ______
- Estimate 59 − 57 by rounding each number to the nearest 10: ______
- Estimate 74 + 63 by rounding each number to the nearest 10: ______
- Estimate 31 + 80 by rounding each number to the nearest 10: ______
- Estimate 79 − 26 by rounding each number to the nearest 10: ______
- Estimate 63 − 60 by rounding each number to the nearest 10: ______
- Estimate 31 + 88 by rounding each number to the nearest 10: ______
- Estimate 84 + 89 by rounding each number to the nearest 10: ______