Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 − 75 by rounding each number to the nearest 10: ______
- Estimate 21 − 78 by rounding each number to the nearest 10: ______
- Estimate 40 − 63 by rounding each number to the nearest 10: ______
- Estimate 88 + 64 by rounding each number to the nearest 10: ______
- Estimate 46 − 77 by rounding each number to the nearest 10: ______
- Estimate 25 − 48 by rounding each number to the nearest 10: ______
- Estimate 72 + 57 by rounding each number to the nearest 10: ______
- Estimate 56 + 75 by rounding each number to the nearest 10: ______
- Estimate 52 + 32 by rounding each number to the nearest 10: ______
- Estimate 49 + 40 by rounding each number to the nearest 10: ______
- Estimate 68 − 36 by rounding each number to the nearest 10: ______
- Estimate 61 − 32 by rounding each number to the nearest 10: ______
- Estimate 25 − 83 by rounding each number to the nearest 10: ______
- Estimate 49 + 22 by rounding each number to the nearest 10: ______
- Estimate 46 − 37 by rounding each number to the nearest 10: ______
- Estimate 88 + 79 by rounding each number to the nearest 10: ______
- Estimate 89 − 45 by rounding each number to the nearest 10: ______
- Estimate 39 + 57 by rounding each number to the nearest 10: ______
- Estimate 44 + 37 by rounding each number to the nearest 10: ______
- Estimate 31 − 27 by rounding each number to the nearest 10: ______