Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 87 − 71 by rounding each number to the nearest 10: ______
- Estimate 51 − 25 by rounding each number to the nearest 10: ______
- Estimate 39 − 80 by rounding each number to the nearest 10: ______
- Estimate 52 − 56 by rounding each number to the nearest 10: ______
- Estimate 69 + 55 by rounding each number to the nearest 10: ______
- Estimate 78 − 52 by rounding each number to the nearest 10: ______
- Estimate 55 + 42 by rounding each number to the nearest 10: ______
- Estimate 50 + 86 by rounding each number to the nearest 10: ______
- Estimate 36 + 44 by rounding each number to the nearest 10: ______
- Estimate 88 − 77 by rounding each number to the nearest 10: ______
- Estimate 33 + 76 by rounding each number to the nearest 10: ______
- Estimate 88 + 31 by rounding each number to the nearest 10: ______
- Estimate 36 − 80 by rounding each number to the nearest 10: ______
- Estimate 73 + 59 by rounding each number to the nearest 10: ______
- Estimate 54 + 74 by rounding each number to the nearest 10: ______
- Estimate 84 + 35 by rounding each number to the nearest 10: ______
- Estimate 79 + 64 by rounding each number to the nearest 10: ______
- Estimate 82 + 65 by rounding each number to the nearest 10: ______
- Estimate 43 + 42 by rounding each number to the nearest 10: ______
- Estimate 37 − 21 by rounding each number to the nearest 10: ______