Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 26 + 64 by rounding each number to the nearest 10: ______
- Estimate 49 + 27 by rounding each number to the nearest 10: ______
- Estimate 51 − 47 by rounding each number to the nearest 10: ______
- Estimate 83 − 83 by rounding each number to the nearest 10: ______
- Estimate 42 + 37 by rounding each number to the nearest 10: ______
- Estimate 82 + 39 by rounding each number to the nearest 10: ______
- Estimate 25 − 67 by rounding each number to the nearest 10: ______
- Estimate 33 − 45 by rounding each number to the nearest 10: ______
- Estimate 83 − 22 by rounding each number to the nearest 10: ______
- Estimate 63 + 55 by rounding each number to the nearest 10: ______
- Estimate 35 + 28 by rounding each number to the nearest 10: ______
- Estimate 57 + 52 by rounding each number to the nearest 10: ______
- Estimate 36 + 50 by rounding each number to the nearest 10: ______
- Estimate 72 + 48 by rounding each number to the nearest 10: ______
- Estimate 56 + 68 by rounding each number to the nearest 10: ______
- Estimate 77 − 77 by rounding each number to the nearest 10: ______
- Estimate 71 − 84 by rounding each number to the nearest 10: ______
- Estimate 77 − 34 by rounding each number to the nearest 10: ______
- Estimate 80 − 89 by rounding each number to the nearest 10: ______
- Estimate 38 − 64 by rounding each number to the nearest 10: ______