Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 38 + 41 by rounding each number to the nearest 10: ______
- Estimate 39 + 80 by rounding each number to the nearest 10: ______
- Estimate 42 − 65 by rounding each number to the nearest 10: ______
- Estimate 88 + 33 by rounding each number to the nearest 10: ______
- Estimate 87 + 25 by rounding each number to the nearest 10: ______
- Estimate 88 − 49 by rounding each number to the nearest 10: ______
- Estimate 75 + 52 by rounding each number to the nearest 10: ______
- Estimate 59 − 42 by rounding each number to the nearest 10: ______
- Estimate 65 + 89 by rounding each number to the nearest 10: ______
- Estimate 32 + 86 by rounding each number to the nearest 10: ______
- Estimate 52 + 86 by rounding each number to the nearest 10: ______
- Estimate 35 − 86 by rounding each number to the nearest 10: ______
- Estimate 77 + 75 by rounding each number to the nearest 10: ______
- Estimate 55 − 27 by rounding each number to the nearest 10: ______
- Estimate 49 − 69 by rounding each number to the nearest 10: ______
- Estimate 21 − 58 by rounding each number to the nearest 10: ______
- Estimate 44 − 66 by rounding each number to the nearest 10: ______
- Estimate 58 + 75 by rounding each number to the nearest 10: ______
- Estimate 60 + 70 by rounding each number to the nearest 10: ______
- Estimate 23 + 71 by rounding each number to the nearest 10: ______