Find the base or height of a parallelogram when given the other and the area. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Find the volume of a rectangular prism by multiplying the area of the base by the height of the figure. Measurements include fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...

Find the lcm (least common multiple) of pairs of integers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice explaining the meaning of negative numbers in different scenarios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Identify positive and negative integers on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Recognize the negative sign as meaning the opposite of a number. Use the negative sign to find the opposites of numbers. In some items, we will find the opposite of an opposite. Students receive immediate feedback and have the...

Practice finding the absolute value of a number, like -4 or 3. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving word problems involving percents. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice expressing a decimal like 0.546 as a percent. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice expressing a percent like 12.3% as a decimal. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice writing percents as fractions and fractions as percents. For example, convert 30% to a simplified fraction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

These conceptual problems really make you think! Getting through this exercise will deepen your understanding of median, range, and data sets in general. Students receive immediate feedback and have the opportunity to try questions...

Practice finding the interquartile range (IQR) of a data set. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice interpreting linear expressions Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice finding the radius and diameter of a circle using both vocabulary and visuals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Use your knowledge about vertical angles to find missing angle measures. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice plugging in values to evaluate negative number addition and subtraction expressions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving challenging negative number addition and subtraction problems. Number line models, variables, and absolute value come together to push your knowledge of negative numbers even deeper (maybe even below zero!). Students...

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. Students receive...

Practice using sample space diagrams to find probabilities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Use your knowledge about angles to find missing angle measures in various situations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice filling out tables of equivalent ratios. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Create functions that match one variable to the other in a two-variable equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Given the equation of a quadratic function, determine its range. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.