Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 − 69 by rounding each number to the nearest 10: ______
- Estimate 28 − 38 by rounding each number to the nearest 10: ______
- Estimate 61 − 21 by rounding each number to the nearest 10: ______
- Estimate 70 + 32 by rounding each number to the nearest 10: ______
- Estimate 70 + 66 by rounding each number to the nearest 10: ______
- Estimate 63 + 58 by rounding each number to the nearest 10: ______
- Estimate 26 − 63 by rounding each number to the nearest 10: ______
- Estimate 37 + 33 by rounding each number to the nearest 10: ______
- Estimate 54 + 23 by rounding each number to the nearest 10: ______
- Estimate 45 + 65 by rounding each number to the nearest 10: ______
- Estimate 71 − 58 by rounding each number to the nearest 10: ______
- Estimate 88 + 65 by rounding each number to the nearest 10: ______
- Estimate 63 + 38 by rounding each number to the nearest 10: ______
- Estimate 49 + 32 by rounding each number to the nearest 10: ______
- Estimate 43 + 71 by rounding each number to the nearest 10: ______
- Estimate 64 − 30 by rounding each number to the nearest 10: ______
- Estimate 31 + 89 by rounding each number to the nearest 10: ______
- Estimate 61 − 41 by rounding each number to the nearest 10: ______
- Estimate 36 + 86 by rounding each number to the nearest 10: ______
- Estimate 83 − 57 by rounding each number to the nearest 10: ______