Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 22 − 72 by rounding each number to the nearest 10: ______
- Estimate 75 − 58 by rounding each number to the nearest 10: ______
- Estimate 48 + 57 by rounding each number to the nearest 10: ______
- Estimate 81 + 77 by rounding each number to the nearest 10: ______
- Estimate 33 + 35 by rounding each number to the nearest 10: ______
- Estimate 51 + 72 by rounding each number to the nearest 10: ______
- Estimate 44 − 51 by rounding each number to the nearest 10: ______
- Estimate 55 + 36 by rounding each number to the nearest 10: ______
- Estimate 64 − 25 by rounding each number to the nearest 10: ______
- Estimate 67 − 81 by rounding each number to the nearest 10: ______
- Estimate 61 + 37 by rounding each number to the nearest 10: ______
- Estimate 59 − 49 by rounding each number to the nearest 10: ______
- Estimate 67 − 80 by rounding each number to the nearest 10: ______
- Estimate 26 − 34 by rounding each number to the nearest 10: ______
- Estimate 68 − 67 by rounding each number to the nearest 10: ______
- Estimate 60 + 65 by rounding each number to the nearest 10: ______
- Estimate 40 + 55 by rounding each number to the nearest 10: ______
- Estimate 55 + 55 by rounding each number to the nearest 10: ______
- Estimate 63 − 55 by rounding each number to the nearest 10: ______
- Estimate 77 − 70 by rounding each number to the nearest 10: ______