Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 89 + 39 by rounding each number to the nearest 10: ______
- Estimate 25 − 86 by rounding each number to the nearest 10: ______
- Estimate 45 + 45 by rounding each number to the nearest 10: ______
- Estimate 73 + 65 by rounding each number to the nearest 10: ______
- Estimate 24 − 57 by rounding each number to the nearest 10: ______
- Estimate 77 + 66 by rounding each number to the nearest 10: ______
- Estimate 31 + 77 by rounding each number to the nearest 10: ______
- Estimate 58 − 48 by rounding each number to the nearest 10: ______
- Estimate 51 + 44 by rounding each number to the nearest 10: ______
- Estimate 74 + 21 by rounding each number to the nearest 10: ______
- Estimate 37 + 25 by rounding each number to the nearest 10: ______
- Estimate 30 − 28 by rounding each number to the nearest 10: ______
- Estimate 72 + 33 by rounding each number to the nearest 10: ______
- Estimate 58 + 66 by rounding each number to the nearest 10: ______
- Estimate 59 − 33 by rounding each number to the nearest 10: ______
- Estimate 35 + 80 by rounding each number to the nearest 10: ______
- Estimate 74 − 72 by rounding each number to the nearest 10: ______
- Estimate 77 − 60 by rounding each number to the nearest 10: ______
- Estimate 34 + 29 by rounding each number to the nearest 10: ______
- Estimate 64 + 26 by rounding each number to the nearest 10: ______