Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 − 50 by rounding each number to the nearest 10: ______
- Estimate 21 + 50 by rounding each number to the nearest 10: ______
- Estimate 56 + 27 by rounding each number to the nearest 10: ______
- Estimate 57 + 43 by rounding each number to the nearest 10: ______
- Estimate 74 + 68 by rounding each number to the nearest 10: ______
- Estimate 83 + 24 by rounding each number to the nearest 10: ______
- Estimate 74 − 72 by rounding each number to the nearest 10: ______
- Estimate 36 + 33 by rounding each number to the nearest 10: ______
- Estimate 49 + 42 by rounding each number to the nearest 10: ______
- Estimate 56 − 64 by rounding each number to the nearest 10: ______
- Estimate 67 + 87 by rounding each number to the nearest 10: ______
- Estimate 24 − 87 by rounding each number to the nearest 10: ______
- Estimate 34 − 57 by rounding each number to the nearest 10: ______
- Estimate 85 + 29 by rounding each number to the nearest 10: ______
- Estimate 35 − 66 by rounding each number to the nearest 10: ______
- Estimate 74 − 74 by rounding each number to the nearest 10: ______
- Estimate 73 − 62 by rounding each number to the nearest 10: ______
- Estimate 62 − 62 by rounding each number to the nearest 10: ______
- Estimate 59 + 55 by rounding each number to the nearest 10: ______
- Estimate 72 − 66 by rounding each number to the nearest 10: ______