Dividing by zero
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Practice identifying when a quotient is undefined because of division by zero.
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Multiplying positive and negative fractions
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Practice multiplying fractions. Fractions in these problems may be positive or negative.
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Multiplying & dividing negative numbers word problems
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Practice matching situations to multiplication and division expressions and equations.
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Radius and diameter
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Practice finding the radius and diameter of a circle using both vocabulary and visuals.
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Signs of sums
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Practice determining whether the sum of two numbers is positive, negative, or zero.
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Cross sections of 3D objects (basic)
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Match 3D objects with their 2D cross-sections.
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Subtracting negative numbers
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Practice subtracting positive and negative single-digit numbers.
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Proportional relationships
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Practice telling whether or not the relationship between two quantities is proportional by reasoning about equivalent ratios.
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Converting fractions to decimals
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Practice converting a fraction to a decimal.
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Dividing positive and negative fractions
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Practice dividing fractions. Fractions in these problems may be positive or negative.
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Identifying supplementary, complementary, and vertical angles
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Practice telling whether two angles are supplementary, complementary, or vertical.
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Making predictions with probability
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Practice predicting the number of times a certain event will happen.
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Adding negative numbers on the number line
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Practice matching number line diagrams to addition expressions involving negative numbers.
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Negative number addition and subtraction: word problems
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Practice solving word problems with negative numbers.
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Combining like terms with negative coefficients
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Simplify algebraic expressions by combining like terms. Coefficients on some terms are negative.
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Complementary and supplementary angles (visual)
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Use your knowledge about complementary and supplementary angles to find missing angles.
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Constructing triangles
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Practice constructing triangles.
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The counting principle
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Practice counting possible outcomes in a variety of situations. These problems cover everything from counting the number of ways to get dressed in the morning to counting the number of ways to build a custom pizza.
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Addition & subtraction: find the missing value
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Practice finding the missing value in an addition or subtraction equation involving negative numbers.
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Interpreting negative number statements
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Practice matching addition and subtraction equations to real-world scenarios.
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