Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 + 57 by rounding each number to the nearest 10: ______
- Estimate 58 − 54 by rounding each number to the nearest 10: ______
- Estimate 89 − 88 by rounding each number to the nearest 10: ______
- Estimate 52 + 73 by rounding each number to the nearest 10: ______
- Estimate 50 + 64 by rounding each number to the nearest 10: ______
- Estimate 37 − 38 by rounding each number to the nearest 10: ______
- Estimate 41 + 79 by rounding each number to the nearest 10: ______
- Estimate 51 − 41 by rounding each number to the nearest 10: ______
- Estimate 70 − 57 by rounding each number to the nearest 10: ______
- Estimate 28 + 44 by rounding each number to the nearest 10: ______
- Estimate 47 + 23 by rounding each number to the nearest 10: ______
- Estimate 74 + 39 by rounding each number to the nearest 10: ______
- Estimate 79 − 76 by rounding each number to the nearest 10: ______
- Estimate 55 − 68 by rounding each number to the nearest 10: ______
- Estimate 26 − 53 by rounding each number to the nearest 10: ______
- Estimate 24 − 37 by rounding each number to the nearest 10: ______
- Estimate 62 + 87 by rounding each number to the nearest 10: ______
- Estimate 88 + 52 by rounding each number to the nearest 10: ______
- Estimate 68 − 54 by rounding each number to the nearest 10: ______
- Estimate 22 + 46 by rounding each number to the nearest 10: ______