Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 83 − 25 by rounding each number to the nearest 10: ______
- Estimate 26 + 42 by rounding each number to the nearest 10: ______
- Estimate 76 − 45 by rounding each number to the nearest 10: ______
- Estimate 23 + 66 by rounding each number to the nearest 10: ______
- Estimate 46 + 44 by rounding each number to the nearest 10: ______
- Estimate 79 + 68 by rounding each number to the nearest 10: ______
- Estimate 60 − 29 by rounding each number to the nearest 10: ______
- Estimate 59 − 56 by rounding each number to the nearest 10: ______
- Estimate 45 + 83 by rounding each number to the nearest 10: ______
- Estimate 36 + 29 by rounding each number to the nearest 10: ______
- Estimate 62 + 48 by rounding each number to the nearest 10: ______
- Estimate 72 − 77 by rounding each number to the nearest 10: ______
- Estimate 88 − 64 by rounding each number to the nearest 10: ______
- Estimate 44 − 80 by rounding each number to the nearest 10: ______
- Estimate 88 − 70 by rounding each number to the nearest 10: ______
- Estimate 47 − 30 by rounding each number to the nearest 10: ______
- Estimate 58 + 70 by rounding each number to the nearest 10: ______
- Estimate 45 + 84 by rounding each number to the nearest 10: ______
- Estimate 60 + 89 by rounding each number to the nearest 10: ______
- Estimate 66 + 37 by rounding each number to the nearest 10: ______