Question 1Easier
A route is 64,508 meters long. Rounded to the nearest thousand meters, what is the length of the route?
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Answer: D — 65,000
The hundreds digit is 5, so 64,508 rounds up from 64,000 to 65,000.
Study on the flySSAT UpperQuantitative (Math)Estimation
Quantitative (Math)
Estimation — SSAT Upper practice questions
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What this topic is
Estimation on the SSAT Upper Quantitative section covers rounding a length to a given place, approximating a quotient with easier nearby numbers, and judging the best estimate of a mean from a short list of values.
A student has to decide how far to round, compute mentally with compatible numbers, and pick a close figure instead of an exact result. The exam tends to present rounded to the nearest, about how many, or best estimate stems with nearby round numbers as choices.
Common traps include rounding at the wrong place, computing exactly when an estimate is required, and choosing an answer that is too precise.
Sample questions
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Question 2Easier
At a factory, Maya uses a machine to divide 4,118 parts equally among 82 batches. About how many parts are in one batch?
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Answer: A — 50
Use the compatible numbers 4,100 and 82. Since , each batch has about 50 parts.
Question 3Easier
Wind speeds over four intervals were 18, 21, 23, and 19 miles per hour.
Which of the following is the best estimate of the mean wind speed?
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Answer: B — 20 miles per hour
The four speeds cluster near 20. Their total is about 80, and miles per hour.
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More SSAT Upper topics
Quantitative (Math)
- Number concepts and operations
- Fractions, decimals, and percents
- Ratios, proportions, and rates
- Exponents and roots
- Algebraic word problems
- Equations of lines
- Patterns, sequences, and series
- Plane geometry (area, perimeter, circles)
- Triangles and the Pythagorean theorem
- Coordinate geometry and slope
- Solid geometry (volume)
- Data analysis (tables, graphs, trends)
- Probability
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