Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 45 + 43 by rounding each number to the nearest 10: ______
- Estimate 25 + 54 by rounding each number to the nearest 10: ______
- Estimate 64 − 46 by rounding each number to the nearest 10: ______
- Estimate 54 − 70 by rounding each number to the nearest 10: ______
- Estimate 38 + 67 by rounding each number to the nearest 10: ______
- Estimate 83 + 37 by rounding each number to the nearest 10: ______
- Estimate 31 + 39 by rounding each number to the nearest 10: ______
- Estimate 52 + 58 by rounding each number to the nearest 10: ______
- Estimate 36 − 29 by rounding each number to the nearest 10: ______
- Estimate 45 − 26 by rounding each number to the nearest 10: ______
- Estimate 86 + 86 by rounding each number to the nearest 10: ______
- Estimate 39 + 27 by rounding each number to the nearest 10: ______
- Estimate 21 + 70 by rounding each number to the nearest 10: ______
- Estimate 31 − 52 by rounding each number to the nearest 10: ______
- Estimate 31 − 59 by rounding each number to the nearest 10: ______
- Estimate 42 − 55 by rounding each number to the nearest 10: ______
- Estimate 48 − 88 by rounding each number to the nearest 10: ______
- Estimate 29 + 84 by rounding each number to the nearest 10: ______
- Estimate 39 − 24 by rounding each number to the nearest 10: ______
- Estimate 84 + 74 by rounding each number to the nearest 10: ______