Percent word problems

Practice solving word problems involving percents.

Permutations & combinations

Permutations and Combinations with overcounting

Systems of linear equations word problems: Level 2


Basic division

Divide two numbers. Quotients are equal to or less than 10.

Analyzing categorical data

For example, complete a conditional distribution given a twoway table.

Motion along a curve (differential calc)

Solve problems that involve motion along a curve defined by a twovariable equation.

Classify numbers: rational & irrational

Practice identifying whether numbers are rational or irrational.

Arithmetic series in sigma notation

Practice writing finite arithmetic series like 6 + 10 + 14 in sigma notation.

Adding decimals: hundredths

Add two numbers that are written to the ones, tenths, or hundredths place.

Compare shapes

Practice comparing shapes based on their number of sides, number of corners, and sidelengths.

Quiz: Scale

Quiz 1.1

Multiplying fractions

Practice multiplying two fractions.

Reading stem and leaf plots


Convert units word problems (US customary)

Solve word problems that involve converting between US customary measures of distance, volume, and mass.

Add and subtract within 100 word problems 3

Practice solving word problems with addition and subtraction. These questions are start unknown problems including add to and take from problems. Numbers used are 100 or less.

Time differences (within the hour)

Practice finding the difference between times given on two analog clocks. Each time difference is less than 60 minutes, and the hour hand stays on the same hour.

Period of sinusoidal functions from graph

Given the graph of a sinusoidal function, determine its period.

Common expressions: hard

Can you spot the correct prepositions to use in these conventional expressions?

Twostep equations

Practice solving equations that take two steps to solve. For example, solve 16 = x/4 + 2.

Evaluating expressions with one variable

Practice plugging in a value for the variable in an equation. These are introductory problems, so the expressions aren't too complicated.
