Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 23 − 60 by rounding each number to the nearest 10: ______
- Estimate 68 + 57 by rounding each number to the nearest 10: ______
- Estimate 53 − 39 by rounding each number to the nearest 10: ______
- Estimate 59 + 62 by rounding each number to the nearest 10: ______
- Estimate 63 + 40 by rounding each number to the nearest 10: ______
- Estimate 21 + 59 by rounding each number to the nearest 10: ______
- Estimate 29 − 27 by rounding each number to the nearest 10: ______
- Estimate 81 + 42 by rounding each number to the nearest 10: ______
- Estimate 27 − 86 by rounding each number to the nearest 10: ______
- Estimate 33 + 60 by rounding each number to the nearest 10: ______
- Estimate 41 − 60 by rounding each number to the nearest 10: ______
- Estimate 65 − 68 by rounding each number to the nearest 10: ______
- Estimate 36 + 58 by rounding each number to the nearest 10: ______
- Estimate 59 + 30 by rounding each number to the nearest 10: ______
- Estimate 26 − 53 by rounding each number to the nearest 10: ______
- Estimate 79 + 59 by rounding each number to the nearest 10: ______
- Estimate 25 + 67 by rounding each number to the nearest 10: ______
- Estimate 50 + 63 by rounding each number to the nearest 10: ______
- Estimate 84 − 32 by rounding each number to the nearest 10: ______
- Estimate 63 − 21 by rounding each number to the nearest 10: ______