Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 − 48 by rounding each number to the nearest 10: ______
- Estimate 42 − 61 by rounding each number to the nearest 10: ______
- Estimate 25 − 36 by rounding each number to the nearest 10: ______
- Estimate 35 − 37 by rounding each number to the nearest 10: ______
- Estimate 73 + 32 by rounding each number to the nearest 10: ______
- Estimate 46 + 80 by rounding each number to the nearest 10: ______
- Estimate 24 − 38 by rounding each number to the nearest 10: ______
- Estimate 68 + 32 by rounding each number to the nearest 10: ______
- Estimate 21 − 74 by rounding each number to the nearest 10: ______
- Estimate 62 + 65 by rounding each number to the nearest 10: ______
- Estimate 42 − 47 by rounding each number to the nearest 10: ______
- Estimate 84 − 83 by rounding each number to the nearest 10: ______
- Estimate 69 + 75 by rounding each number to the nearest 10: ______
- Estimate 42 + 31 by rounding each number to the nearest 10: ______
- Estimate 79 − 87 by rounding each number to the nearest 10: ______
- Estimate 86 − 77 by rounding each number to the nearest 10: ______
- Estimate 54 − 87 by rounding each number to the nearest 10: ______
- Estimate 89 − 70 by rounding each number to the nearest 10: ______
- Estimate 67 + 89 by rounding each number to the nearest 10: ______
- Estimate 84 − 42 by rounding each number to the nearest 10: ______