Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 − 49 by rounding each number to the nearest 10: ______
- Estimate 58 − 37 by rounding each number to the nearest 10: ______
- Estimate 66 + 30 by rounding each number to the nearest 10: ______
- Estimate 30 − 56 by rounding each number to the nearest 10: ______
- Estimate 75 + 43 by rounding each number to the nearest 10: ______
- Estimate 73 − 70 by rounding each number to the nearest 10: ______
- Estimate 44 − 70 by rounding each number to the nearest 10: ______
- Estimate 72 − 57 by rounding each number to the nearest 10: ______
- Estimate 43 + 35 by rounding each number to the nearest 10: ______
- Estimate 77 + 48 by rounding each number to the nearest 10: ______
- Estimate 71 − 39 by rounding each number to the nearest 10: ______
- Estimate 41 + 52 by rounding each number to the nearest 10: ______
- Estimate 31 − 34 by rounding each number to the nearest 10: ______
- Estimate 51 + 24 by rounding each number to the nearest 10: ______
- Estimate 57 − 38 by rounding each number to the nearest 10: ______
- Estimate 40 + 66 by rounding each number to the nearest 10: ______
- Estimate 36 − 86 by rounding each number to the nearest 10: ______
- Estimate 40 − 62 by rounding each number to the nearest 10: ______
- Estimate 58 + 31 by rounding each number to the nearest 10: ______
- Estimate 23 − 28 by rounding each number to the nearest 10: ______