CSET: Multiple Subjects Practice Questions (2026) — Free Sample Questions with Answers

6 free CSET: Multiple Subjects questions from our 25-question bank, grouped by content domain. Each answer explains why the right option is right — and why every wrong option is wrong.

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Reading, Language, and Literature

Question 1

Which word contains a derivational suffix that changes the part of speech of its base word?

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Answer: C

walked: -ed is an inflectional suffix marking past tense; 'walk' stays a verb.

taller: The comparative -er is inflectional; 'tall' remains an adjective.

teacher: Correct. The agentive -er is derivational: it turns the verb 'teach' into the noun 'teacher.'

cats: Plural -s is inflectional; 'cat' remains a noun.

Inflectional suffixes (-s, -ed, -ing, comparative -er, -est) mark grammar without changing word class; derivational suffixes (-er agent, -ness, -ly, -tion) create new words, often in a new class.

History and Social Science

Question 2

At the 1787 Constitutional Convention, the Great (Connecticut) Compromise resolved a dispute between large and small states by:

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Answer: C

counting three-fifths of each state's enslaved population for purposes of both representation and direct taxation: That was the Three-Fifths Compromise, a separate agreement over how to count population.

adding a Bill of Rights to protect individual liberties: The Bill of Rights was added in 1791 to address Anti-Federalist concerns, not the large-state/small-state dispute.

creating a two-house Congress with seats based on population in the House and equal seats in the Senate: Correct. The compromise combined the Virginia Plan (population) and the New Jersey Plan (equal votes) into a two-house legislature.

giving each state one vote in a single-house legislature: That describes the Articles of Confederation and the New Jersey Plan, which large states rejected.

Great Compromise = House by population (Virginia Plan) + Senate with two per state (New Jersey Plan).

Science

Question 3

What is the primary cause of Earth's seasons?

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Answer: A

The tilt of Earth's axis, which changes the angle of incoming sunlight and the length of daylight during the year: Correct. Because the axis is tilted about 23.5°, each hemisphere receives more direct sunlight and longer days during its summer.

Changes in Earth's distance from the Sun during its elliptical orbit, which make Earth hotter when it is closer to the Sun: Earth's orbit is nearly circular; Earth is actually closest to the Sun in early January, during Northern Hemisphere winter.

Earth's daily rotation on its axis: Rotation causes day and night, not seasons.

Changes in the amount of energy the Sun produces each year: The Sun's output is nearly constant and does not follow an annual seasonal cycle.

Seasons come from axial tilt (sun angle and day length), not distance. Opposite hemispheres have opposite seasons at the same time.

Mathematics

Question 4

A bag contains 4 red marbles and 6 blue marbles. Two marbles are drawn at random without replacement. What is the probability that both are red?

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Answer: D

4/25: 4/25 = (4/10)(4/10), which assumes the first marble is replaced; without replacement the second probability changes.

2/5: 2/5 is the probability that only the first marble is red.

1/3: 1/3 = 3/9 is only the probability that the second marble is red given that the first was red.

2/15: Correct. P = (4/10) × (3/9) = 12/90 = 2/15.

For dependent events, multiply P(A) by P(B given A): after one red is drawn, 3 red remain among 9 marbles.

Human Development

Question 5

A 5-year-old watches water poured from a short, wide glass into a tall, thin glass and insists that the tall glass now holds more water. According to Piaget, this child is in which stage of cognitive development?

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Answer: C

Sensorimotor: The sensorimotor stage (birth to about 2) centers on sensory and motor exploration and comes before this kind of verbal reasoning.

Concrete operational: Concrete operational children (about 7 to 11) have acquired conservation and would recognize the amount is unchanged.

Preoperational: Correct. Preoperational children (about 2 to 7) lack conservation and center on one salient dimension, such as height.

Formal operational: Formal operations (about 11 and up) involve abstract, hypothetical reasoning, well beyond conservation.

Failure on conservation tasks (centration) is a hallmark of the preoperational stage; conservation emerges in the concrete operational stage.

Visual and Performing Arts

Question 6

Which of the following is a principle of design rather than an element of art?

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Answer: C

Line: Line is an element of art, one of the basic building blocks of an artwork.

Texture: Texture, the actual or implied surface quality, is an element of art.

Balance: Correct. Balance is a principle of design: a way of arranging the elements to create visual stability.

Value: Value, the lightness or darkness of a color, is an element of art.

Elements (line, shape, form, color, value, space, texture) are what artists use; principles (balance, contrast, emphasis, movement, pattern, rhythm, unity, variety, proportion) are how they arrange them.

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