Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 − 69 by rounding each number to the nearest 10: ______
- Estimate 83 − 27 by rounding each number to the nearest 10: ______
- Estimate 21 − 21 by rounding each number to the nearest 10: ______
- Estimate 68 + 73 by rounding each number to the nearest 10: ______
- Estimate 81 + 51 by rounding each number to the nearest 10: ______
- Estimate 58 + 85 by rounding each number to the nearest 10: ______
- Estimate 62 + 83 by rounding each number to the nearest 10: ______
- Estimate 59 − 34 by rounding each number to the nearest 10: ______
- Estimate 61 + 46 by rounding each number to the nearest 10: ______
- Estimate 32 + 28 by rounding each number to the nearest 10: ______
- Estimate 48 − 35 by rounding each number to the nearest 10: ______
- Estimate 87 − 29 by rounding each number to the nearest 10: ______
- Estimate 48 − 52 by rounding each number to the nearest 10: ______
- Estimate 42 + 83 by rounding each number to the nearest 10: ______
- Estimate 52 − 46 by rounding each number to the nearest 10: ______
- Estimate 76 − 46 by rounding each number to the nearest 10: ______
- Estimate 67 + 69 by rounding each number to the nearest 10: ______
- Estimate 79 − 65 by rounding each number to the nearest 10: ______
- Estimate 39 + 52 by rounding each number to the nearest 10: ______
- Estimate 60 + 22 by rounding each number to the nearest 10: ______