Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 26 + 27 by rounding each number to the nearest 10: ______
- Estimate 39 − 37 by rounding each number to the nearest 10: ______
- Estimate 49 − 28 by rounding each number to the nearest 10: ______
- Estimate 88 + 40 by rounding each number to the nearest 10: ______
- Estimate 87 + 40 by rounding each number to the nearest 10: ______
- Estimate 87 + 44 by rounding each number to the nearest 10: ______
- Estimate 55 − 64 by rounding each number to the nearest 10: ______
- Estimate 71 − 21 by rounding each number to the nearest 10: ______
- Estimate 79 − 30 by rounding each number to the nearest 10: ______
- Estimate 36 − 25 by rounding each number to the nearest 10: ______
- Estimate 30 − 71 by rounding each number to the nearest 10: ______
- Estimate 75 + 63 by rounding each number to the nearest 10: ______
- Estimate 49 + 33 by rounding each number to the nearest 10: ______
- Estimate 57 − 21 by rounding each number to the nearest 10: ______
- Estimate 22 − 81 by rounding each number to the nearest 10: ______
- Estimate 35 − 88 by rounding each number to the nearest 10: ______
- Estimate 69 − 32 by rounding each number to the nearest 10: ______
- Estimate 84 + 64 by rounding each number to the nearest 10: ______
- Estimate 42 − 32 by rounding each number to the nearest 10: ______
- Estimate 88 − 70 by rounding each number to the nearest 10: ______