Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 43 − 34 by rounding each number to the nearest 10: ______
- Estimate 79 + 27 by rounding each number to the nearest 10: ______
- Estimate 65 − 61 by rounding each number to the nearest 10: ______
- Estimate 49 − 42 by rounding each number to the nearest 10: ______
- Estimate 52 − 80 by rounding each number to the nearest 10: ______
- Estimate 73 − 63 by rounding each number to the nearest 10: ______
- Estimate 80 + 52 by rounding each number to the nearest 10: ______
- Estimate 26 + 72 by rounding each number to the nearest 10: ______
- Estimate 87 − 55 by rounding each number to the nearest 10: ______
- Estimate 52 + 23 by rounding each number to the nearest 10: ______
- Estimate 56 − 25 by rounding each number to the nearest 10: ______
- Estimate 43 + 73 by rounding each number to the nearest 10: ______
- Estimate 86 − 40 by rounding each number to the nearest 10: ______
- Estimate 73 − 51 by rounding each number to the nearest 10: ______
- Estimate 43 − 62 by rounding each number to the nearest 10: ______
- Estimate 22 − 55 by rounding each number to the nearest 10: ______
- Estimate 61 − 63 by rounding each number to the nearest 10: ______
- Estimate 63 − 79 by rounding each number to the nearest 10: ______
- Estimate 64 + 28 by rounding each number to the nearest 10: ______
- Estimate 73 + 39 by rounding each number to the nearest 10: ______