Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 30 by rounding each number to the nearest 10: ______
- Estimate 77 − 45 by rounding each number to the nearest 10: ______
- Estimate 72 − 86 by rounding each number to the nearest 10: ______
- Estimate 45 − 50 by rounding each number to the nearest 10: ______
- Estimate 23 − 79 by rounding each number to the nearest 10: ______
- Estimate 50 − 64 by rounding each number to the nearest 10: ______
- Estimate 53 + 71 by rounding each number to the nearest 10: ______
- Estimate 47 − 56 by rounding each number to the nearest 10: ______
- Estimate 63 − 86 by rounding each number to the nearest 10: ______
- Estimate 40 + 89 by rounding each number to the nearest 10: ______
- Estimate 55 + 57 by rounding each number to the nearest 10: ______
- Estimate 26 − 31 by rounding each number to the nearest 10: ______
- Estimate 75 + 56 by rounding each number to the nearest 10: ______
- Estimate 55 − 86 by rounding each number to the nearest 10: ______
- Estimate 32 − 44 by rounding each number to the nearest 10: ______
- Estimate 81 + 28 by rounding each number to the nearest 10: ______
- Estimate 39 − 46 by rounding each number to the nearest 10: ______
- Estimate 34 − 35 by rounding each number to the nearest 10: ______
- Estimate 69 − 30 by rounding each number to the nearest 10: ______
- Estimate 37 − 89 by rounding each number to the nearest 10: ______