Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 26 + 46 by rounding each number to the nearest 10: ______
- Estimate 63 − 33 by rounding each number to the nearest 10: ______
- Estimate 56 − 44 by rounding each number to the nearest 10: ______
- Estimate 86 + 68 by rounding each number to the nearest 10: ______
- Estimate 62 + 70 by rounding each number to the nearest 10: ______
- Estimate 52 + 56 by rounding each number to the nearest 10: ______
- Estimate 54 − 21 by rounding each number to the nearest 10: ______
- Estimate 25 − 42 by rounding each number to the nearest 10: ______
- Estimate 57 − 30 by rounding each number to the nearest 10: ______
- Estimate 22 + 53 by rounding each number to the nearest 10: ______
- Estimate 35 − 79 by rounding each number to the nearest 10: ______
- Estimate 32 − 64 by rounding each number to the nearest 10: ______
- Estimate 66 + 70 by rounding each number to the nearest 10: ______
- Estimate 53 − 71 by rounding each number to the nearest 10: ______
- Estimate 82 + 39 by rounding each number to the nearest 10: ______
- Estimate 66 − 52 by rounding each number to the nearest 10: ______
- Estimate 75 + 27 by rounding each number to the nearest 10: ______
- Estimate 49 − 47 by rounding each number to the nearest 10: ______
- Estimate 72 + 77 by rounding each number to the nearest 10: ______
- Estimate 38 − 74 by rounding each number to the nearest 10: ______