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OpenStem
@openstem · Joined Jul 2026
7420 public items8 groups
Quiz5 questions
Find the range of the data set 3, 8, 15, 4, 10.
A19B12C8D15
Mathematics · L2 · Range, Outliers & Data Spread
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Mathematics · L2 · Range, Outliers & Data SpreadQuiz5 questions
A survey of 90 students records grade level against favorite subject in the table below. What is the grand total shown in the table?
A60B90C96D88
Mathematics · L2 · Two-Way Tables & Venn Diagrams
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Mathematics · L2 · Two-Way Tables & Venn DiagramsQuiz5 questions
What is the simplest form of the ratio 10:15?
A2:3B10:15C3:2D5:10
Mathematics · L2 · Ratios & Unit Rates
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Mathematics · L2 · Ratios & Unit RatesQuiz5 questions
Solve: 2x + 5 = 13.
Ax = 4Bx = 9Cx = 8Dx = 3
Mathematics · L2 · Two-Step Equations & Inequalities
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Mathematics · L2 · Two-Step Equations & InequalitiesQuiz5 questions
What ordered pair names a point 3 units right and 5 units up from the origin?
A(5, 3)B(3, 5)C(−3, 5)D(3, −5)
Mathematics · L2 · The Coordinate Plane
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Mathematics · L2 · The Coordinate PlaneQuiz5 questions
A fish tank is 40 cm long, 20 cm wide, and 25 cm tall. What is its volume?
A20,000 cm³B8,500 cm³C2,000 cm³D85 cm³
Mathematics · L2 · Volume & Surface Area of Prisms
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Mathematics · L2 · Volume & Surface Area of PrismsQuiz5 questions
What is (−6) × (−7)?
A42B−42C13D−13
Mathematics · L2 · Multiplying & Dividing Integers
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Mathematics · L2 · Multiplying & Dividing IntegersQuiz5 questions
In the expression 6x + 4, what is the coefficient of x?
A6B4CxD10
Mathematics · L2 · Algebraic Expressions
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Mathematics · L2 · Algebraic ExpressionsQuiz5 questions
You flip a coin and roll a 6-sided die. Using the counting principle, how many total outcomes are possible?
A6B8C12D36
Mathematics · L2 · Compound Events & Probability
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Mathematics · L2 · Compound Events & ProbabilityQuiz6 questions
Solve: 5x + 3 = 2x + 12.
Ax = 3Bx = 5Cx = 9Dx = 15
Mathematics · L2 · Multi-Step Equations & Inequalities
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Mathematics · L2 · Multi-Step Equations & InequalitiesQuiz6 questions
What does 'rise over run' describe?
AThe total distance traveledBHow much y changes for every step in x — the slopeCThe starting point of a lineDThe width of a graph's grid
Mathematics · L2 · Slope & Rate of Change
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Mathematics · L2 · Slope & Rate of ChangeQuiz5 questions
Which pair of properties must match for two figures to be similar?
AEqual angles and proportional sidesBEqual angles and equal sidesCEqual sides only, angles can differDEqual area only
Mathematics · L2 · Scale Drawings & Similar Figures
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Mathematics · L2 · Scale Drawings & Similar FiguresQuiz5 questions
What do we call the flat pattern a 3D solid makes when you unfold it along its edges?
AA netBA cross-sectionCA projectionDA prism
Mathematics · L2 · Surface Area of Prisms & Pyramids
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Mathematics · L2 · Surface Area of Prisms & PyramidsQuiz5 questions
A fair six-sided die is about to be rolled once. What is the theoretical probability of rolling a 4?
A1/6B1/4C4/6D1/2
Mathematics · L2 · Probability: Experimental vs Theoretical
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Mathematics · L2 · Probability: Experimental vs TheoreticalQuiz6 questions
Why do the bars in a histogram touch each other with no gaps, unlike in a bar chart?
ABecause a histogram groups continuous numeric data into ranges (bins) that flow directly into one anotherBBecause histograms only show categories, just like bar chartsCTo make the histogram look neaterDBars in a histogram never actually touch
Mathematics · L2 · Histograms & Box Plots
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Mathematics · L2 · Histograms & Box PlotsQuiz5 questions
Which of these is the correct definition of a rational number?
AA number whose decimal never endsBA number that can be written as a fraction of two integersCAny number with a decimal pointDA number bigger than zero
Mathematics · L2 · Rational vs Irrational Numbers
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Mathematics · L2 · Rational vs Irrational NumbersQuiz6 questions
What is a table of values used for when graphing a line?
ATo measure the steepness of the lineBTo generate (x, y) points that can be plotted to draw the lineCTo rewrite the equation in a different formDTo find the line's length
Mathematics · L2 · Graphing Linear Equations
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Mathematics · L2 · Graphing Linear EquationsQuiz6 questions
Which type of circle should you draw at the boundary when graphing x ≥ 4?
AOpen circleBClosed (filled) circleCNo circle neededDA square marker
Mathematics · L2 · Graphing Inequalities on a Number Line
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Mathematics · L2 · Graphing Inequalities on a Number LineQuiz6 questions
A $50 jacket is 30% off. What is the sale price?
A$15B$35C$65D$80
Mathematics · L2 · Percent Applications: Discount, Tax & Tip
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Mathematics · L2 · Percent Applications: Discount, Tax & TipQuiz6 questions
Which transformation slides a figure without flipping or turning it?
ARotationBReflectionCTranslationDDilation
Mathematics · L2 · Transformations: Translations, Reflections & Rotations
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Mathematics · L2 · Transformations: Translations, Reflections & RotationsQuiz6 questions
Two angles are complementary. What do their measures add up to?
A45°B90°C180°D360°
Mathematics · L2 · Angle Relationships
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Mathematics · L2 · Angle RelationshipsQuiz6 questions
A circle has a radius of 3 cm. What is its diameter?
A1.5 cmB6 cmC9 cmD3 cm
Mathematics · L2 · Circles: Circumference & Area
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Mathematics · L2 · Circles: Circumference & AreaQuiz6 questions
A table shows x = 1 → y = 4, x = 2 → y = 7, x = 3 → y = 10. What is the rule?
Ay = x + 3By = 3x + 1Cy = 4xDy = 2x + 2
Mathematics · L2 · Function Tables & Input-Output Rules
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Mathematics · L2 · Function Tables & Input-Output RulesQuiz6 questions
Which equation represents a proportional relationship?
Ay = 6xBy = 6x + 1Cy = 6/xDy = x + 6
Mathematics · L2 · Proportional Relationships
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Mathematics · L2 · Proportional RelationshipsQuiz6 questions
What is the main purpose of a frequency table?
ATo list each distinct value in a data set alongside how many times it occursBTo show only the largest value in a data setCTo randomly shuffle a list of dataDTo calculate the mean of a data set
Mathematics · L2 · Data Displays: Dot Plots & Frequency Tables
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Mathematics · L2 · Data Displays: Dot Plots & Frequency TablesQuiz4 questions
What is the slope of the line y = −2x + 5?
A5B−2C2D−5
Mathematics · L3 · Lines & Slopes
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Mathematics · L3 · Lines & SlopesQuiz4 questions
Factor: x² + 7x + 12.
A(x + 3)(x + 4)B(x + 2)(x + 6)C(x + 1)(x + 12)D(x + 3)(x + 5)
Mathematics · L3 · Quadratics
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Mathematics · L3 · QuadraticsQuiz3 questions
A right triangle has legs 5 and 12. What is the length of the hypotenuse?
A13B17C11D15
Mathematics · L3 · Triangles & the Pythagorean Theorem
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Mathematics · L3 · Triangles & the Pythagorean TheoremQuiz4 questions
In a right triangle the side opposite angle θ is 5 and the hypotenuse is 13. What is sin θ?
A5/13B12/13C5/12D13/5
Mathematics · L3 · SOH-CAH-TOA & Right Triangles
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Mathematics · L3 · SOH-CAH-TOA & Right TrianglesQuiz4 questions
What is sin 45°?
A\frac{\sqrt{2}}{2}B1/2C\frac{\sqrt{3}}{2}D1
Mathematics · L3 · Unit Circle & Graphs of Sine and Cosine
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Mathematics · L3 · Unit Circle & Graphs of Sine and Cosine