Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 73 by rounding each number to the nearest 10: ______
- Estimate 83 + 60 by rounding each number to the nearest 10: ______
- Estimate 54 − 62 by rounding each number to the nearest 10: ______
- Estimate 60 + 32 by rounding each number to the nearest 10: ______
- Estimate 57 + 39 by rounding each number to the nearest 10: ______
- Estimate 78 + 79 by rounding each number to the nearest 10: ______
- Estimate 76 + 52 by rounding each number to the nearest 10: ______
- Estimate 73 + 32 by rounding each number to the nearest 10: ______
- Estimate 83 − 55 by rounding each number to the nearest 10: ______
- Estimate 34 + 36 by rounding each number to the nearest 10: ______
- Estimate 75 − 48 by rounding each number to the nearest 10: ______
- Estimate 49 − 71 by rounding each number to the nearest 10: ______
- Estimate 34 − 64 by rounding each number to the nearest 10: ______
- Estimate 74 + 36 by rounding each number to the nearest 10: ______
- Estimate 40 − 25 by rounding each number to the nearest 10: ______
- Estimate 68 + 79 by rounding each number to the nearest 10: ______
- Estimate 27 + 52 by rounding each number to the nearest 10: ______
- Estimate 61 − 51 by rounding each number to the nearest 10: ______
- Estimate 87 + 81 by rounding each number to the nearest 10: ______
- Estimate 30 − 78 by rounding each number to the nearest 10: ______