Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 − 40 by rounding each number to the nearest 10: ______
- Estimate 32 − 57 by rounding each number to the nearest 10: ______
- Estimate 77 − 29 by rounding each number to the nearest 10: ______
- Estimate 51 + 54 by rounding each number to the nearest 10: ______
- Estimate 83 − 55 by rounding each number to the nearest 10: ______
- Estimate 22 − 32 by rounding each number to the nearest 10: ______
- Estimate 41 − 28 by rounding each number to the nearest 10: ______
- Estimate 60 + 66 by rounding each number to the nearest 10: ______
- Estimate 88 − 35 by rounding each number to the nearest 10: ______
- Estimate 68 + 32 by rounding each number to the nearest 10: ______
- Estimate 35 + 47 by rounding each number to the nearest 10: ______
- Estimate 89 − 40 by rounding each number to the nearest 10: ______
- Estimate 57 + 88 by rounding each number to the nearest 10: ______
- Estimate 25 + 55 by rounding each number to the nearest 10: ______
- Estimate 35 − 56 by rounding each number to the nearest 10: ______
- Estimate 77 + 31 by rounding each number to the nearest 10: ______
- Estimate 83 − 89 by rounding each number to the nearest 10: ______
- Estimate 40 + 55 by rounding each number to the nearest 10: ______
- Estimate 61 − 34 by rounding each number to the nearest 10: ______
- Estimate 50 + 39 by rounding each number to the nearest 10: ______