Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 84 + 63 by rounding each number to the nearest 10: ______
- Estimate 81 + 47 by rounding each number to the nearest 10: ______
- Estimate 27 + 72 by rounding each number to the nearest 10: ______
- Estimate 39 + 32 by rounding each number to the nearest 10: ______
- Estimate 49 + 67 by rounding each number to the nearest 10: ______
- Estimate 87 + 31 by rounding each number to the nearest 10: ______
- Estimate 77 − 30 by rounding each number to the nearest 10: ______
- Estimate 25 + 82 by rounding each number to the nearest 10: ______
- Estimate 75 + 89 by rounding each number to the nearest 10: ______
- Estimate 29 + 64 by rounding each number to the nearest 10: ______
- Estimate 37 − 33 by rounding each number to the nearest 10: ______
- Estimate 48 − 73 by rounding each number to the nearest 10: ______
- Estimate 67 + 67 by rounding each number to the nearest 10: ______
- Estimate 49 + 59 by rounding each number to the nearest 10: ______
- Estimate 25 + 89 by rounding each number to the nearest 10: ______
- Estimate 42 + 88 by rounding each number to the nearest 10: ______
- Estimate 31 + 71 by rounding each number to the nearest 10: ______
- Estimate 62 − 86 by rounding each number to the nearest 10: ______
- Estimate 78 − 23 by rounding each number to the nearest 10: ______
- Estimate 40 − 22 by rounding each number to the nearest 10: ______