Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 + 23 by rounding each number to the nearest 10: ______
- Estimate 38 + 71 by rounding each number to the nearest 10: ______
- Estimate 47 − 72 by rounding each number to the nearest 10: ______
- Estimate 57 − 78 by rounding each number to the nearest 10: ______
- Estimate 52 − 37 by rounding each number to the nearest 10: ______
- Estimate 80 + 54 by rounding each number to the nearest 10: ______
- Estimate 52 − 58 by rounding each number to the nearest 10: ______
- Estimate 66 − 73 by rounding each number to the nearest 10: ______
- Estimate 89 + 33 by rounding each number to the nearest 10: ______
- Estimate 22 + 62 by rounding each number to the nearest 10: ______
- Estimate 67 − 74 by rounding each number to the nearest 10: ______
- Estimate 31 − 76 by rounding each number to the nearest 10: ______
- Estimate 42 + 53 by rounding each number to the nearest 10: ______
- Estimate 50 − 33 by rounding each number to the nearest 10: ______
- Estimate 57 − 25 by rounding each number to the nearest 10: ______
- Estimate 33 − 40 by rounding each number to the nearest 10: ______
- Estimate 86 − 64 by rounding each number to the nearest 10: ______
- Estimate 52 + 26 by rounding each number to the nearest 10: ______
- Estimate 34 − 48 by rounding each number to the nearest 10: ______
- Estimate 60 − 37 by rounding each number to the nearest 10: ______