Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 35 + 47 by rounding each number to the nearest 10: ______
- Estimate 52 − 31 by rounding each number to the nearest 10: ______
- Estimate 73 + 38 by rounding each number to the nearest 10: ______
- Estimate 84 − 66 by rounding each number to the nearest 10: ______
- Estimate 40 − 33 by rounding each number to the nearest 10: ______
- Estimate 54 + 27 by rounding each number to the nearest 10: ______
- Estimate 31 − 49 by rounding each number to the nearest 10: ______
- Estimate 33 − 26 by rounding each number to the nearest 10: ______
- Estimate 57 − 22 by rounding each number to the nearest 10: ______
- Estimate 30 − 56 by rounding each number to the nearest 10: ______
- Estimate 54 − 81 by rounding each number to the nearest 10: ______
- Estimate 42 + 43 by rounding each number to the nearest 10: ______
- Estimate 86 + 39 by rounding each number to the nearest 10: ______
- Estimate 37 + 86 by rounding each number to the nearest 10: ______
- Estimate 48 + 69 by rounding each number to the nearest 10: ______
- Estimate 33 + 37 by rounding each number to the nearest 10: ______
- Estimate 86 − 73 by rounding each number to the nearest 10: ______
- Estimate 82 + 71 by rounding each number to the nearest 10: ______
- Estimate 32 − 36 by rounding each number to the nearest 10: ______
- Estimate 27 + 39 by rounding each number to the nearest 10: ______