Given the graph of a nonlinear piecewise function, find its formula. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Given the description of a real-world relationship, find the sinusoidal function that models it. The functions in this exercise have a phase (horizontal) shift. Students receive immediate feedback and have the opportunity to try...

Rewrite square roots of negative numbers as imaginary numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice multiplying 2-digit multiples of 10, such as 50x70=3500. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Apply the property that the longest side of a triangle is opposite the largest angle to solve a few problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice adding three-digit numbers. All sums are 1000 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, and ask for hints.

Use complementary and supplementary angles to solve for a missing angle measure. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

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

Practice matching number line diagrams to addition expressions involving negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this exercise, students practice adding decimals 0.5. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this exercise, students practice adding fractions with 10 and 100 as denominators. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Challenge problems involving adding and subtracting fractions that have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice adding and subtracting mixed numbers with different denominators. Regrouping required. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

In this exercise, students practice adding and subtracting on the number line in word problems. Students receive immediate feedback and have the opportunity to watch a video tutorial, get hints, and try questions repeatedly.

In this exercise, students practice identifying angle types. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Find the missing side length of a rectangle when given its perimeter or area. Compare perimeters and areas of rectangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive...

In this exercise, students practice comparing decimals and fractions. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this exercise, students practice classifying shapes by line and angle types. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this exercise, students practice finding common denominators. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this exercise, students practice comparing fractions and mixed numbers. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

In this exercise, students practice comparing area and perimeter. Students receive immediate feedback and have the opportunity to watch a tutorial video, get hints, and try questions repeatedly.

In this exercise, students practice comparing multi-digit numbers. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.

Identify composite numbers less than 100. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Practice solving more challenging problems involving scientific notation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.