Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 51 by rounding each number to the nearest 10: ______
- Estimate 36 − 25 by rounding each number to the nearest 10: ______
- Estimate 37 − 28 by rounding each number to the nearest 10: ______
- Estimate 27 + 73 by rounding each number to the nearest 10: ______
- Estimate 56 + 65 by rounding each number to the nearest 10: ______
- Estimate 74 − 74 by rounding each number to the nearest 10: ______
- Estimate 47 − 56 by rounding each number to the nearest 10: ______
- Estimate 76 + 89 by rounding each number to the nearest 10: ______
- Estimate 81 + 57 by rounding each number to the nearest 10: ______
- Estimate 27 − 79 by rounding each number to the nearest 10: ______
- Estimate 52 − 54 by rounding each number to the nearest 10: ______
- Estimate 45 + 33 by rounding each number to the nearest 10: ______
- Estimate 45 + 54 by rounding each number to the nearest 10: ______
- Estimate 72 + 60 by rounding each number to the nearest 10: ______
- Estimate 23 + 35 by rounding each number to the nearest 10: ______
- Estimate 47 − 50 by rounding each number to the nearest 10: ______
- Estimate 58 − 31 by rounding each number to the nearest 10: ______
- Estimate 71 − 34 by rounding each number to the nearest 10: ______
- Estimate 46 + 54 by rounding each number to the nearest 10: ______
- Estimate 80 + 34 by rounding each number to the nearest 10: ______