Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 37 + 47 by rounding each number to the nearest 10: ______
- Estimate 40 − 75 by rounding each number to the nearest 10: ______
- Estimate 67 − 45 by rounding each number to the nearest 10: ______
- Estimate 39 − 35 by rounding each number to the nearest 10: ______
- Estimate 62 + 26 by rounding each number to the nearest 10: ______
- Estimate 54 − 39 by rounding each number to the nearest 10: ______
- Estimate 63 + 34 by rounding each number to the nearest 10: ______
- Estimate 65 − 72 by rounding each number to the nearest 10: ______
- Estimate 68 − 34 by rounding each number to the nearest 10: ______
- Estimate 67 + 27 by rounding each number to the nearest 10: ______
- Estimate 34 + 33 by rounding each number to the nearest 10: ______
- Estimate 61 + 57 by rounding each number to the nearest 10: ______
- Estimate 68 + 89 by rounding each number to the nearest 10: ______
- Estimate 43 − 64 by rounding each number to the nearest 10: ______
- Estimate 78 + 51 by rounding each number to the nearest 10: ______
- Estimate 48 − 21 by rounding each number to the nearest 10: ______
- Estimate 82 − 81 by rounding each number to the nearest 10: ______
- Estimate 31 − 69 by rounding each number to the nearest 10: ______
- Estimate 69 + 58 by rounding each number to the nearest 10: ______
- Estimate 58 + 63 by rounding each number to the nearest 10: ______