Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 − 84 by rounding each number to the nearest 10: ______
- Estimate 21 − 40 by rounding each number to the nearest 10: ______
- Estimate 52 − 29 by rounding each number to the nearest 10: ______
- Estimate 64 − 49 by rounding each number to the nearest 10: ______
- Estimate 42 + 63 by rounding each number to the nearest 10: ______
- Estimate 37 + 32 by rounding each number to the nearest 10: ______
- Estimate 54 + 71 by rounding each number to the nearest 10: ______
- Estimate 46 − 29 by rounding each number to the nearest 10: ______
- Estimate 33 − 74 by rounding each number to the nearest 10: ______
- Estimate 36 − 68 by rounding each number to the nearest 10: ______
- Estimate 23 + 53 by rounding each number to the nearest 10: ______
- Estimate 61 + 72 by rounding each number to the nearest 10: ______
- Estimate 40 + 75 by rounding each number to the nearest 10: ______
- Estimate 59 + 79 by rounding each number to the nearest 10: ______
- Estimate 50 − 22 by rounding each number to the nearest 10: ______
- Estimate 50 − 42 by rounding each number to the nearest 10: ______
- Estimate 83 − 57 by rounding each number to the nearest 10: ______
- Estimate 40 + 53 by rounding each number to the nearest 10: ______
- Estimate 41 − 31 by rounding each number to the nearest 10: ______
- Estimate 27 − 77 by rounding each number to the nearest 10: ______