Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 44 + 34 by rounding each number to the nearest 10: ______
- Estimate 38 − 55 by rounding each number to the nearest 10: ______
- Estimate 49 − 21 by rounding each number to the nearest 10: ______
- Estimate 63 + 21 by rounding each number to the nearest 10: ______
- Estimate 52 + 37 by rounding each number to the nearest 10: ______
- Estimate 57 + 79 by rounding each number to the nearest 10: ______
- Estimate 89 − 42 by rounding each number to the nearest 10: ______
- Estimate 49 + 68 by rounding each number to the nearest 10: ______
- Estimate 81 + 87 by rounding each number to the nearest 10: ______
- Estimate 29 − 60 by rounding each number to the nearest 10: ______
- Estimate 87 − 45 by rounding each number to the nearest 10: ______
- Estimate 43 − 77 by rounding each number to the nearest 10: ______
- Estimate 78 − 28 by rounding each number to the nearest 10: ______
- Estimate 44 + 89 by rounding each number to the nearest 10: ______
- Estimate 22 + 32 by rounding each number to the nearest 10: ______
- Estimate 71 + 36 by rounding each number to the nearest 10: ______
- Estimate 74 − 47 by rounding each number to the nearest 10: ______
- Estimate 74 + 88 by rounding each number to the nearest 10: ______
- Estimate 70 − 65 by rounding each number to the nearest 10: ______
- Estimate 54 − 28 by rounding each number to the nearest 10: ______