Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 83 by rounding each number to the nearest 10: ______
- Estimate 57 + 24 by rounding each number to the nearest 10: ______
- Estimate 28 + 76 by rounding each number to the nearest 10: ______
- Estimate 21 + 61 by rounding each number to the nearest 10: ______
- Estimate 76 + 56 by rounding each number to the nearest 10: ______
- Estimate 39 − 74 by rounding each number to the nearest 10: ______
- Estimate 28 + 65 by rounding each number to the nearest 10: ______
- Estimate 65 + 44 by rounding each number to the nearest 10: ______
- Estimate 50 + 42 by rounding each number to the nearest 10: ______
- Estimate 71 − 77 by rounding each number to the nearest 10: ______
- Estimate 59 − 50 by rounding each number to the nearest 10: ______
- Estimate 67 + 26 by rounding each number to the nearest 10: ______
- Estimate 63 + 84 by rounding each number to the nearest 10: ______
- Estimate 22 − 67 by rounding each number to the nearest 10: ______
- Estimate 77 + 27 by rounding each number to the nearest 10: ______
- Estimate 34 − 83 by rounding each number to the nearest 10: ______
- Estimate 40 + 21 by rounding each number to the nearest 10: ______
- Estimate 62 − 60 by rounding each number to the nearest 10: ______
- Estimate 84 + 54 by rounding each number to the nearest 10: ______
- Estimate 35 + 58 by rounding each number to the nearest 10: ______