Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 32 + 26 by rounding each number to the nearest 10: ______
- Estimate 31 + 39 by rounding each number to the nearest 10: ______
- Estimate 51 − 35 by rounding each number to the nearest 10: ______
- Estimate 35 − 82 by rounding each number to the nearest 10: ______
- Estimate 26 − 38 by rounding each number to the nearest 10: ______
- Estimate 86 − 76 by rounding each number to the nearest 10: ______
- Estimate 89 + 33 by rounding each number to the nearest 10: ______
- Estimate 70 + 72 by rounding each number to the nearest 10: ______
- Estimate 71 + 37 by rounding each number to the nearest 10: ______
- Estimate 24 + 29 by rounding each number to the nearest 10: ______
- Estimate 67 + 21 by rounding each number to the nearest 10: ______
- Estimate 23 + 47 by rounding each number to the nearest 10: ______
- Estimate 77 − 40 by rounding each number to the nearest 10: ______
- Estimate 52 − 41 by rounding each number to the nearest 10: ______
- Estimate 65 + 43 by rounding each number to the nearest 10: ______
- Estimate 33 − 44 by rounding each number to the nearest 10: ______
- Estimate 72 − 89 by rounding each number to the nearest 10: ______
- Estimate 58 − 76 by rounding each number to the nearest 10: ______
- Estimate 22 − 61 by rounding each number to the nearest 10: ______
- Estimate 79 + 39 by rounding each number to the nearest 10: ______