Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 35 + 47 by rounding each number to the nearest 10: ______
- Estimate 45 − 57 by rounding each number to the nearest 10: ______
- Estimate 66 + 32 by rounding each number to the nearest 10: ______
- Estimate 62 + 81 by rounding each number to the nearest 10: ______
- Estimate 40 − 36 by rounding each number to the nearest 10: ______
- Estimate 49 − 27 by rounding each number to the nearest 10: ______
- Estimate 89 − 65 by rounding each number to the nearest 10: ______
- Estimate 42 − 59 by rounding each number to the nearest 10: ______
- Estimate 84 − 28 by rounding each number to the nearest 10: ______
- Estimate 80 + 28 by rounding each number to the nearest 10: ______
- Estimate 31 + 53 by rounding each number to the nearest 10: ______
- Estimate 68 + 30 by rounding each number to the nearest 10: ______
- Estimate 70 − 42 by rounding each number to the nearest 10: ______
- Estimate 64 − 87 by rounding each number to the nearest 10: ______
- Estimate 76 − 88 by rounding each number to the nearest 10: ______
- Estimate 25 − 22 by rounding each number to the nearest 10: ______
- Estimate 38 − 21 by rounding each number to the nearest 10: ______
- Estimate 73 − 63 by rounding each number to the nearest 10: ______
- Estimate 84 + 58 by rounding each number to the nearest 10: ______
- Estimate 89 + 73 by rounding each number to the nearest 10: ______