Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 + 40 by rounding each number to the nearest 10: ______
- Estimate 40 + 63 by rounding each number to the nearest 10: ______
- Estimate 63 + 52 by rounding each number to the nearest 10: ______
- Estimate 64 + 47 by rounding each number to the nearest 10: ______
- Estimate 61 − 47 by rounding each number to the nearest 10: ______
- Estimate 85 − 62 by rounding each number to the nearest 10: ______
- Estimate 63 + 84 by rounding each number to the nearest 10: ______
- Estimate 67 − 54 by rounding each number to the nearest 10: ______
- Estimate 43 − 21 by rounding each number to the nearest 10: ______
- Estimate 89 − 42 by rounding each number to the nearest 10: ______
- Estimate 63 − 71 by rounding each number to the nearest 10: ______
- Estimate 77 + 62 by rounding each number to the nearest 10: ______
- Estimate 83 − 21 by rounding each number to the nearest 10: ______
- Estimate 86 − 79 by rounding each number to the nearest 10: ______
- Estimate 62 + 87 by rounding each number to the nearest 10: ______
- Estimate 56 − 78 by rounding each number to the nearest 10: ______
- Estimate 85 + 67 by rounding each number to the nearest 10: ______
- Estimate 34 − 68 by rounding each number to the nearest 10: ______
- Estimate 37 + 86 by rounding each number to the nearest 10: ______
- Estimate 28 + 88 by rounding each number to the nearest 10: ______