Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 63 by rounding each number to the nearest 10: ______
- Estimate 32 + 58 by rounding each number to the nearest 10: ______
- Estimate 66 − 72 by rounding each number to the nearest 10: ______
- Estimate 43 − 84 by rounding each number to the nearest 10: ______
- Estimate 63 − 38 by rounding each number to the nearest 10: ______
- Estimate 84 − 21 by rounding each number to the nearest 10: ______
- Estimate 30 + 60 by rounding each number to the nearest 10: ______
- Estimate 41 + 28 by rounding each number to the nearest 10: ______
- Estimate 67 + 40 by rounding each number to the nearest 10: ______
- Estimate 88 − 51 by rounding each number to the nearest 10: ______
- Estimate 71 − 75 by rounding each number to the nearest 10: ______
- Estimate 87 + 77 by rounding each number to the nearest 10: ______
- Estimate 34 − 51 by rounding each number to the nearest 10: ______
- Estimate 78 − 79 by rounding each number to the nearest 10: ______
- Estimate 64 + 71 by rounding each number to the nearest 10: ______
- Estimate 71 + 57 by rounding each number to the nearest 10: ______
- Estimate 44 + 24 by rounding each number to the nearest 10: ______
- Estimate 86 − 46 by rounding each number to the nearest 10: ______
- Estimate 52 + 26 by rounding each number to the nearest 10: ______
- Estimate 46 + 38 by rounding each number to the nearest 10: ______