Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 − 87 by rounding each number to the nearest 10: ______
- Estimate 68 − 66 by rounding each number to the nearest 10: ______
- Estimate 58 − 29 by rounding each number to the nearest 10: ______
- Estimate 77 + 55 by rounding each number to the nearest 10: ______
- Estimate 89 − 70 by rounding each number to the nearest 10: ______
- Estimate 47 + 70 by rounding each number to the nearest 10: ______
- Estimate 69 + 28 by rounding each number to the nearest 10: ______
- Estimate 40 + 72 by rounding each number to the nearest 10: ______
- Estimate 63 − 74 by rounding each number to the nearest 10: ______
- Estimate 27 + 24 by rounding each number to the nearest 10: ______
- Estimate 49 − 85 by rounding each number to the nearest 10: ______
- Estimate 21 − 29 by rounding each number to the nearest 10: ______
- Estimate 36 − 43 by rounding each number to the nearest 10: ______
- Estimate 60 + 64 by rounding each number to the nearest 10: ______
- Estimate 68 + 33 by rounding each number to the nearest 10: ______
- Estimate 44 − 77 by rounding each number to the nearest 10: ______
- Estimate 86 − 67 by rounding each number to the nearest 10: ______
- Estimate 21 − 77 by rounding each number to the nearest 10: ______
- Estimate 34 + 73 by rounding each number to the nearest 10: ______
- Estimate 38 + 71 by rounding each number to the nearest 10: ______