Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 − 21 by rounding each number to the nearest 10: ______
- Estimate 31 + 50 by rounding each number to the nearest 10: ______
- Estimate 86 − 58 by rounding each number to the nearest 10: ______
- Estimate 28 − 64 by rounding each number to the nearest 10: ______
- Estimate 67 − 62 by rounding each number to the nearest 10: ______
- Estimate 57 − 59 by rounding each number to the nearest 10: ______
- Estimate 81 − 40 by rounding each number to the nearest 10: ______
- Estimate 68 − 88 by rounding each number to the nearest 10: ______
- Estimate 60 + 37 by rounding each number to the nearest 10: ______
- Estimate 44 − 54 by rounding each number to the nearest 10: ______
- Estimate 29 + 83 by rounding each number to the nearest 10: ______
- Estimate 27 − 80 by rounding each number to the nearest 10: ______
- Estimate 21 + 75 by rounding each number to the nearest 10: ______
- Estimate 49 + 62 by rounding each number to the nearest 10: ______
- Estimate 41 − 51 by rounding each number to the nearest 10: ______
- Estimate 69 + 84 by rounding each number to the nearest 10: ______
- Estimate 71 − 25 by rounding each number to the nearest 10: ______
- Estimate 63 − 71 by rounding each number to the nearest 10: ______
- Estimate 32 + 74 by rounding each number to the nearest 10: ______
- Estimate 45 − 89 by rounding each number to the nearest 10: ______