Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 − 72 by rounding each number to the nearest 10: ______
- Estimate 70 + 67 by rounding each number to the nearest 10: ______
- Estimate 81 − 84 by rounding each number to the nearest 10: ______
- Estimate 69 − 48 by rounding each number to the nearest 10: ______
- Estimate 33 − 32 by rounding each number to the nearest 10: ______
- Estimate 80 − 40 by rounding each number to the nearest 10: ______
- Estimate 38 + 27 by rounding each number to the nearest 10: ______
- Estimate 59 − 31 by rounding each number to the nearest 10: ______
- Estimate 75 + 33 by rounding each number to the nearest 10: ______
- Estimate 33 + 41 by rounding each number to the nearest 10: ______
- Estimate 79 − 77 by rounding each number to the nearest 10: ______
- Estimate 83 + 28 by rounding each number to the nearest 10: ______
- Estimate 25 − 65 by rounding each number to the nearest 10: ______
- Estimate 63 + 23 by rounding each number to the nearest 10: ______
- Estimate 50 − 47 by rounding each number to the nearest 10: ______
- Estimate 56 − 32 by rounding each number to the nearest 10: ______
- Estimate 40 + 76 by rounding each number to the nearest 10: ______
- Estimate 66 − 71 by rounding each number to the nearest 10: ______
- Estimate 57 − 47 by rounding each number to the nearest 10: ______
- Estimate 23 − 34 by rounding each number to the nearest 10: ______