Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 79 − 22 by rounding each number to the nearest 10: ______
- Estimate 64 − 86 by rounding each number to the nearest 10: ______
- Estimate 40 − 33 by rounding each number to the nearest 10: ______
- Estimate 40 − 38 by rounding each number to the nearest 10: ______
- Estimate 36 − 62 by rounding each number to the nearest 10: ______
- Estimate 72 + 61 by rounding each number to the nearest 10: ______
- Estimate 51 + 88 by rounding each number to the nearest 10: ______
- Estimate 36 + 31 by rounding each number to the nearest 10: ______
- Estimate 63 − 29 by rounding each number to the nearest 10: ______
- Estimate 87 − 74 by rounding each number to the nearest 10: ______
- Estimate 44 − 44 by rounding each number to the nearest 10: ______
- Estimate 54 + 32 by rounding each number to the nearest 10: ______
- Estimate 82 − 68 by rounding each number to the nearest 10: ______
- Estimate 34 + 30 by rounding each number to the nearest 10: ______
- Estimate 62 − 32 by rounding each number to the nearest 10: ______
- Estimate 57 + 49 by rounding each number to the nearest 10: ______
- Estimate 73 − 80 by rounding each number to the nearest 10: ______
- Estimate 36 + 55 by rounding each number to the nearest 10: ______
- Estimate 30 − 52 by rounding each number to the nearest 10: ______
- Estimate 21 + 58 by rounding each number to the nearest 10: ______