Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 − 49 by rounding each number to the nearest 10: ______
- Estimate 34 − 24 by rounding each number to the nearest 10: ______
- Estimate 63 + 37 by rounding each number to the nearest 10: ______
- Estimate 73 + 77 by rounding each number to the nearest 10: ______
- Estimate 77 − 86 by rounding each number to the nearest 10: ______
- Estimate 66 + 86 by rounding each number to the nearest 10: ______
- Estimate 84 + 41 by rounding each number to the nearest 10: ______
- Estimate 38 + 84 by rounding each number to the nearest 10: ______
- Estimate 89 − 68 by rounding each number to the nearest 10: ______
- Estimate 37 − 57 by rounding each number to the nearest 10: ______
- Estimate 64 − 67 by rounding each number to the nearest 10: ______
- Estimate 77 + 30 by rounding each number to the nearest 10: ______
- Estimate 30 + 32 by rounding each number to the nearest 10: ______
- Estimate 86 + 35 by rounding each number to the nearest 10: ______
- Estimate 28 − 44 by rounding each number to the nearest 10: ______
- Estimate 68 + 46 by rounding each number to the nearest 10: ______
- Estimate 57 − 61 by rounding each number to the nearest 10: ______
- Estimate 31 + 58 by rounding each number to the nearest 10: ______
- Estimate 36 − 47 by rounding each number to the nearest 10: ______
- Estimate 38 + 39 by rounding each number to the nearest 10: ______