Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 61 − 21 by rounding each number to the nearest 10: ______
- Estimate 44 − 59 by rounding each number to the nearest 10: ______
- Estimate 68 + 71 by rounding each number to the nearest 10: ______
- Estimate 88 − 24 by rounding each number to the nearest 10: ______
- Estimate 88 − 80 by rounding each number to the nearest 10: ______
- Estimate 63 − 48 by rounding each number to the nearest 10: ______
- Estimate 23 − 59 by rounding each number to the nearest 10: ______
- Estimate 55 − 36 by rounding each number to the nearest 10: ______
- Estimate 24 − 73 by rounding each number to the nearest 10: ______
- Estimate 87 + 34 by rounding each number to the nearest 10: ______
- Estimate 80 + 37 by rounding each number to the nearest 10: ______
- Estimate 31 + 80 by rounding each number to the nearest 10: ______
- Estimate 63 + 72 by rounding each number to the nearest 10: ______
- Estimate 28 − 47 by rounding each number to the nearest 10: ______
- Estimate 85 + 58 by rounding each number to the nearest 10: ______
- Estimate 40 − 86 by rounding each number to the nearest 10: ______
- Estimate 82 + 79 by rounding each number to the nearest 10: ______
- Estimate 26 + 62 by rounding each number to the nearest 10: ______
- Estimate 29 + 82 by rounding each number to the nearest 10: ______
- Estimate 60 − 31 by rounding each number to the nearest 10: ______