Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 53 − 21 by rounding each number to the nearest 10: ______
- Estimate 61 + 29 by rounding each number to the nearest 10: ______
- Estimate 40 + 51 by rounding each number to the nearest 10: ______
- Estimate 42 + 63 by rounding each number to the nearest 10: ______
- Estimate 75 − 60 by rounding each number to the nearest 10: ______
- Estimate 31 + 75 by rounding each number to the nearest 10: ______
- Estimate 42 − 89 by rounding each number to the nearest 10: ______
- Estimate 69 − 64 by rounding each number to the nearest 10: ______
- Estimate 72 + 72 by rounding each number to the nearest 10: ______
- Estimate 76 − 60 by rounding each number to the nearest 10: ______
- Estimate 25 − 32 by rounding each number to the nearest 10: ______
- Estimate 69 − 42 by rounding each number to the nearest 10: ______
- Estimate 68 − 84 by rounding each number to the nearest 10: ______
- Estimate 38 − 39 by rounding each number to the nearest 10: ______
- Estimate 43 + 79 by rounding each number to the nearest 10: ______
- Estimate 62 − 29 by rounding each number to the nearest 10: ______
- Estimate 79 + 31 by rounding each number to the nearest 10: ______
- Estimate 30 − 83 by rounding each number to the nearest 10: ______
- Estimate 73 − 67 by rounding each number to the nearest 10: ______
- Estimate 81 + 37 by rounding each number to the nearest 10: ______