Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 + 70 by rounding each number to the nearest 10: ______
- Estimate 33 − 23 by rounding each number to the nearest 10: ______
- Estimate 31 − 59 by rounding each number to the nearest 10: ______
- Estimate 42 + 23 by rounding each number to the nearest 10: ______
- Estimate 78 + 78 by rounding each number to the nearest 10: ______
- Estimate 84 − 41 by rounding each number to the nearest 10: ______
- Estimate 62 + 36 by rounding each number to the nearest 10: ______
- Estimate 72 − 25 by rounding each number to the nearest 10: ______
- Estimate 37 + 76 by rounding each number to the nearest 10: ______
- Estimate 52 + 52 by rounding each number to the nearest 10: ______
- Estimate 86 − 34 by rounding each number to the nearest 10: ______
- Estimate 82 + 63 by rounding each number to the nearest 10: ______
- Estimate 71 − 76 by rounding each number to the nearest 10: ______
- Estimate 62 − 37 by rounding each number to the nearest 10: ______
- Estimate 76 + 58 by rounding each number to the nearest 10: ______
- Estimate 86 + 73 by rounding each number to the nearest 10: ______
- Estimate 75 − 51 by rounding each number to the nearest 10: ______
- Estimate 75 − 62 by rounding each number to the nearest 10: ______
- Estimate 85 + 25 by rounding each number to the nearest 10: ______
- Estimate 55 − 39 by rounding each number to the nearest 10: ______