Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 65 − 89 by rounding each number to the nearest 10: ______
- Estimate 67 − 68 by rounding each number to the nearest 10: ______
- Estimate 64 + 61 by rounding each number to the nearest 10: ______
- Estimate 63 − 86 by rounding each number to the nearest 10: ______
- Estimate 80 + 48 by rounding each number to the nearest 10: ______
- Estimate 74 + 44 by rounding each number to the nearest 10: ______
- Estimate 51 − 29 by rounding each number to the nearest 10: ______
- Estimate 60 − 28 by rounding each number to the nearest 10: ______
- Estimate 41 + 71 by rounding each number to the nearest 10: ______
- Estimate 73 + 82 by rounding each number to the nearest 10: ______
- Estimate 33 + 59 by rounding each number to the nearest 10: ______
- Estimate 37 + 21 by rounding each number to the nearest 10: ______
- Estimate 37 + 85 by rounding each number to the nearest 10: ______
- Estimate 27 − 66 by rounding each number to the nearest 10: ______
- Estimate 66 + 84 by rounding each number to the nearest 10: ______
- Estimate 27 − 79 by rounding each number to the nearest 10: ______
- Estimate 25 + 40 by rounding each number to the nearest 10: ______
- Estimate 43 + 69 by rounding each number to the nearest 10: ______
- Estimate 25 − 34 by rounding each number to the nearest 10: ______
- Estimate 56 − 51 by rounding each number to the nearest 10: ______