Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 28 by rounding each number to the nearest 10: ______
- Estimate 58 + 38 by rounding each number to the nearest 10: ______
- Estimate 44 + 52 by rounding each number to the nearest 10: ______
- Estimate 80 − 64 by rounding each number to the nearest 10: ______
- Estimate 48 + 52 by rounding each number to the nearest 10: ______
- Estimate 62 + 76 by rounding each number to the nearest 10: ______
- Estimate 71 + 62 by rounding each number to the nearest 10: ______
- Estimate 69 − 57 by rounding each number to the nearest 10: ______
- Estimate 65 − 59 by rounding each number to the nearest 10: ______
- Estimate 62 + 70 by rounding each number to the nearest 10: ______
- Estimate 37 + 34 by rounding each number to the nearest 10: ______
- Estimate 35 − 27 by rounding each number to the nearest 10: ______
- Estimate 62 + 46 by rounding each number to the nearest 10: ______
- Estimate 71 − 45 by rounding each number to the nearest 10: ______
- Estimate 26 − 36 by rounding each number to the nearest 10: ______
- Estimate 72 + 85 by rounding each number to the nearest 10: ______
- Estimate 43 − 51 by rounding each number to the nearest 10: ______
- Estimate 35 + 74 by rounding each number to the nearest 10: ______
- Estimate 36 + 49 by rounding each number to the nearest 10: ______
- Estimate 63 − 43 by rounding each number to the nearest 10: ______