KhanAcademyExercises

Solve word problems to find what time an event occurred or how long an event lasted.

Solve a word problem to find the duration of an event. Both analog or digital clocks are included. Time in the word problems crosses over the hour.

Solve problems about angles as part of a circle.

Classify shapes based on pictures or attributes, such as angle types and side-lengths. 

Practice seeing how one whole-number-times-fraction problem is the same as another.  Find equivalent multiplication expressions. 

Graph data from charts and frequency tables on dot plots. Data include fractions in halves, fourths, and eighths.

Practice adding and subtracting mixed numbers with common (like) denominators. Items require regrouping (borrowing).

Identify prime numbers less than 100.

Practice breaking up big division problems into smaller, simpler problems.

Use your place value skills to practice comparing whole numbers.

Solve a subtraction problem with two fractions with like denominators.  

Practice decomposing fractions (breaking fractions into parts that can be added together).

Add whole numbers with sums less than 1,000,000.

Practice counting by tens.

Check your understanding of how rogue access points can intercept data in this set of free practice questions designed for AP Computer Science Principles students.

Check your understanding of strong passwords and multi-factor authentication in this set of free practice questions designed for AP Computer Science Principles students.

Check your understanding of the benefits and risks of crowdsourcing innovations in this set of free practice questions designed for AP Computer Science Principles students.

Test your knowledge.