OSTP Grade 3 Sample Practice Test
10 sample OSTP math questions written for grade 3. Try them now — answers reveal on click. No signup required.
- 1
Fractions
Which is greater: 1/2 or 1/8?
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Answer: 1/2
- 2
Multiplication
Solve: 3 × 8 = ?
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Answer: 24
- 3
Geometry
How many sides does a quadrilateral have?
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Answer: 4
- 4
Place Value
Round 448 to the nearest hundred.
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Answer: 400
- 5
Addition & Subtraction
Solve: 698 + 141 = ?
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Answer: 839
- 6
Measurement & Data
A bag has 3 red marbles and 6 blue marbles. How many marbles in total?
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Answer: 9
- 7
Operations
Solve: 6 × 5 = ?
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Answer: 30
- 8
Division
Solve: 32 ÷ 4 = ?
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Answer: 8
- 9
Data
A bar graph shows 5 cats, 3 dogs, and 4 birds. How many pets in total?
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Answer: 12
- 10
Patterns
What comes next in the pattern: 2, 4, 6, 8, ___?
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Answer: 10
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