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New exercises coming to missions July 2017

We've been steadily adding new content to the Khan Academy library all year, and this summer we'll be updating the corresponding math missions to reflect this.

This means that your mission progress % will likely go down, since the denominator of skills will increase (so say, instead of mastering 90 out of 100 skills, you'll now have mastered 90 out of 110, which would reduce your percentage from 90% to 82%).  You'll still have mastered the same number of skills as before, you'll just have additional new ones to complete now.  

We expect the drop to be between 0% and 20% depending on the mission and the student. More typically, students will see a 3% to 5% drop in their progress percentage.

We're always working to improve our math missions, and progress % dropping is an unfortunate side effect when we do add new content to missions.  We try to make these changes when most of our users are experiencing summer in order to minimize disruption to the classroom, but we recognize this still isn't ideal for students.  If you have some ideas for other ways we might approach this situation, we'd love to hear them!

You may be wondering what these new mission exercises are, exactly. We’ll be adding that information below as it becomes available, so please check back on this page for updates closer to July.

Read a summary of the changes below, or check out this spreadsheet for full details about the exercises getting added.

AP Calculus BC
We're adding 37 skills, and the maximum possible drop in student completion percentage is 20%.

Algebra I
We're adding 32 skills, and the maximum possible drop in student completion percentage is 16%.

AP Calculus AB
We're adding 28 skills, and the maximum possible drop in student completion percentage is 19%.

Integral calculus
We're adding 24 skills, and the maximum possible drop in student completion percentage is 28%.

Basic geometry
We're adding 22 skills, and the maximum possible drop in student completion percentage is 23%.

Differential calculus
We're adding 16 skills, and the maximum possible drop in student completion percentage is 16%.

8th grade
We're adding 15 skills, and the maximum possible drop in student completion percentage is 14%.

8th grade (Eureka Math/EngageNY)
We're adding 15 skills, and the maximum possible drop in student completion percentage is 14%.

4th grade
We're adding 15 skills, and the maximum possible drop in student completion percentage is 12%.

6th grade
We're adding 14 skills, and the maximum possible drop in student completion percentage is 11%.

Mathematics II
We're adding 13 skills, and the maximum possible drop in student completion percentage is 10%.

6th grade (Eureka Math/EngageNY)
We're adding 11 skills, and the maximum possible drop in student completion percentage is 9%.

4th grade (Eureka Math/EngageNY)
We're adding 10 skills, and the maximum possible drop in student completion percentage is 8%.

3rd grade
We're adding 10 skills, and the maximum possible drop in student completion percentage is 9%.

Early math
We're adding 8 skills, and the maximum possible drop in student completion percentage is 8%.

Mathematics I
We're adding 6 skills, and the maximum possible drop in student completion percentage is 4%.

Algebra basics
We're adding 6 skills, and the maximum possible drop in student completion percentage is 6%.

Pre-algebra
We're adding 5 skills, and the maximum possible drop in student completion percentage is 3%.

5th grade
We're adding 4 skills, and the maximum possible drop in student completion percentage is 4%.

1st grade
We're adding 4 skills, and the maximum possible drop in student completion percentage is 14%.

Trigonometry
We're adding 3 skills, and the maximum possible drop in student completion percentage is 11%.

3rd grade (Eureka Math/EngageNY)
We're adding 3 skills, and the maximum possible drop in student completion percentage is 3%.

7th grade
We're adding 3 skills, and the maximum possible drop in student completion percentage is 3%.

7th grade (Eureka Math/EngageNY)
We're adding 3 skills, and the maximum possible drop in student completion percentage is 3%.

5th grade (Eureka Math/EngageNY)
We're adding 3 skills, and the maximum possible drop in student completion percentage is 3%.

2nd grade
We're adding 2 skills, and the maximum possible drop in student completion percentage is 4%.

High school geometry
We're adding 2 skills, and the maximum possible drop in student completion percentage is 2%.

Kindergarten
We're adding 2 skills, and the maximum possible drop in student completion percentage is 7%.

High school statistics
We're adding 1 skills, and the maximum possible drop in student completion percentage is 2%.

Algebra II
We're adding 1 skills, and the maximum possible drop in student completion percentage is 1%.

Arithmetic
We're adding 0 skills, and the maximum possible drop in student completion percentage is 0%.

Precalculus
We're adding 0 skills, and the maximum possible drop in student completion percentage is 0%.

Mathematics III
We're adding 0 skills, and the maximum possible drop in student completion percentage is 0%.

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