Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 − 55 by rounding each number to the nearest 10: ______
- Estimate 51 + 22 by rounding each number to the nearest 10: ______
- Estimate 27 − 35 by rounding each number to the nearest 10: ______
- Estimate 32 − 43 by rounding each number to the nearest 10: ______
- Estimate 39 − 72 by rounding each number to the nearest 10: ______
- Estimate 49 + 75 by rounding each number to the nearest 10: ______
- Estimate 54 + 64 by rounding each number to the nearest 10: ______
- Estimate 21 − 59 by rounding each number to the nearest 10: ______
- Estimate 36 + 39 by rounding each number to the nearest 10: ______
- Estimate 65 − 29 by rounding each number to the nearest 10: ______
- Estimate 33 − 38 by rounding each number to the nearest 10: ______
- Estimate 34 − 36 by rounding each number to the nearest 10: ______
- Estimate 30 − 54 by rounding each number to the nearest 10: ______
- Estimate 64 − 22 by rounding each number to the nearest 10: ______
- Estimate 48 + 22 by rounding each number to the nearest 10: ______
- Estimate 84 + 37 by rounding each number to the nearest 10: ______
- Estimate 37 + 70 by rounding each number to the nearest 10: ______
- Estimate 89 + 87 by rounding each number to the nearest 10: ______
- Estimate 63 + 75 by rounding each number to the nearest 10: ______
- Estimate 62 + 67 by rounding each number to the nearest 10: ______