Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 40 + 58 by rounding each number to the nearest 10: ______
- Estimate 35 − 25 by rounding each number to the nearest 10: ______
- Estimate 42 + 25 by rounding each number to the nearest 10: ______
- Estimate 67 − 81 by rounding each number to the nearest 10: ______
- Estimate 52 + 79 by rounding each number to the nearest 10: ______
- Estimate 41 + 77 by rounding each number to the nearest 10: ______
- Estimate 48 + 89 by rounding each number to the nearest 10: ______
- Estimate 88 − 44 by rounding each number to the nearest 10: ______
- Estimate 39 − 49 by rounding each number to the nearest 10: ______
- Estimate 42 − 51 by rounding each number to the nearest 10: ______
- Estimate 88 − 27 by rounding each number to the nearest 10: ______
- Estimate 48 − 27 by rounding each number to the nearest 10: ______
- Estimate 73 − 68 by rounding each number to the nearest 10: ______
- Estimate 21 − 74 by rounding each number to the nearest 10: ______
- Estimate 54 + 52 by rounding each number to the nearest 10: ______
- Estimate 49 − 86 by rounding each number to the nearest 10: ______
- Estimate 23 + 59 by rounding each number to the nearest 10: ______
- Estimate 85 − 71 by rounding each number to the nearest 10: ______
- Estimate 81 + 63 by rounding each number to the nearest 10: ______
- Estimate 56 + 28 by rounding each number to the nearest 10: ______