Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 35 − 21 by rounding each number to the nearest 10: ______
- Estimate 44 + 49 by rounding each number to the nearest 10: ______
- Estimate 54 + 31 by rounding each number to the nearest 10: ______
- Estimate 32 − 89 by rounding each number to the nearest 10: ______
- Estimate 62 + 74 by rounding each number to the nearest 10: ______
- Estimate 56 − 52 by rounding each number to the nearest 10: ______
- Estimate 25 − 84 by rounding each number to the nearest 10: ______
- Estimate 41 − 40 by rounding each number to the nearest 10: ______
- Estimate 48 + 68 by rounding each number to the nearest 10: ______
- Estimate 64 + 41 by rounding each number to the nearest 10: ______
- Estimate 65 − 81 by rounding each number to the nearest 10: ______
- Estimate 83 − 32 by rounding each number to the nearest 10: ______
- Estimate 41 − 34 by rounding each number to the nearest 10: ______
- Estimate 80 − 70 by rounding each number to the nearest 10: ______
- Estimate 71 − 52 by rounding each number to the nearest 10: ______
- Estimate 38 + 73 by rounding each number to the nearest 10: ______
- Estimate 45 − 23 by rounding each number to the nearest 10: ______
- Estimate 42 − 39 by rounding each number to the nearest 10: ______
- Estimate 63 − 61 by rounding each number to the nearest 10: ______
- Estimate 64 + 42 by rounding each number to the nearest 10: ______