Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 21 + 57 by rounding each number to the nearest 10: ______
- Estimate 40 − 87 by rounding each number to the nearest 10: ______
- Estimate 79 + 73 by rounding each number to the nearest 10: ______
- Estimate 58 − 55 by rounding each number to the nearest 10: ______
- Estimate 83 − 28 by rounding each number to the nearest 10: ______
- Estimate 32 + 73 by rounding each number to the nearest 10: ______
- Estimate 44 − 79 by rounding each number to the nearest 10: ______
- Estimate 85 − 47 by rounding each number to the nearest 10: ______
- Estimate 40 − 33 by rounding each number to the nearest 10: ______
- Estimate 38 + 86 by rounding each number to the nearest 10: ______
- Estimate 63 + 59 by rounding each number to the nearest 10: ______
- Estimate 73 + 77 by rounding each number to the nearest 10: ______
- Estimate 22 + 63 by rounding each number to the nearest 10: ______
- Estimate 89 − 31 by rounding each number to the nearest 10: ______
- Estimate 57 − 85 by rounding each number to the nearest 10: ______
- Estimate 29 − 31 by rounding each number to the nearest 10: ______
- Estimate 42 − 51 by rounding each number to the nearest 10: ______
- Estimate 36 − 29 by rounding each number to the nearest 10: ______
- Estimate 65 − 79 by rounding each number to the nearest 10: ______
- Estimate 88 − 52 by rounding each number to the nearest 10: ______