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New exercises from Khan Academy 2018-10-22T12:21:09.371804
Actualizado: hace 2 horas 6 mins

Round decimals word problems

Hace 0 seg
Solve word problems by rounding decimals

Calculating frequency and wavelength from displacement graphs

Hace 0 seg
Practice using a displacement graph and wave speed to find the frequency and wavelength of a wave. 

Transregional trade

Hace 0 seg
Practice your skills with a quiz on syncretism and the Silk Road!

Fighting infection with adaptive immunity

Hace 0 seg
Immune System - Passage 1

Early Christian Art (quiz)

Dom, 2018-10-21 16:58
Test your knowledge!

Telling time word problems

Jue, 2018-10-18 23:41
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.

Angled launch projectile vectors

Mié, 2018-10-17 15:48
Practice predicting how a projectile's velocity and acceleration components change throughout the trajectory.

Interpret two-step equation word problems

Mar, 2018-10-16 19:44
Determine what terms and variables in two-step equations represent in a real-world context.

Codons and mutations

Lun, 2018-10-15 23:42
Test your knowledge of the different kinds of mutations!

Find missing length when given area of a parallelogram

Lun, 2018-10-15 18:21
Find the base or height of a parallelogram when given the other and the area.

Conclusions in a goodness-of-fit test

Lun, 2018-10-15 18:06
Make conclusions in a chi-square goodness-of-fit test based on the p-value and significance level.

Tell time to hour or half hour

Lun, 2018-10-15 17:52
Practice telling time on analog clocks to the hour or half hour.

Using CSS text properties

Lun, 2018-10-15 17:50
Practice your knowledge of CSS text properties.

Mesopotamia

Lun, 2018-10-15 17:40
Test your knowledge of ancient Mesopotamian civilization!

Circumference and rotations

Lun, 2018-10-15 03:32
Determine distance or number of rotations when given circumference, radius, or diameter of a circle.

Forces at an angle

Lun, 2018-10-15 03:19
Practice applying angled forces  to an object to find acceleration, normal force, net force, and mass.

Key concepts: The origins of Islam

Lun, 2018-10-15 03:03
Test your knowledge of the origins of Islam!

Calculating conditional probability

Lun, 2018-10-15 02:50
Practice calculating conditional probability, that is, the probability that one event occurs given that another event has also occurred.

Making appropriate scatter plots

Vie, 2018-10-12 18:20
An appropriate scatter plot has the independent variable on the x-axis and the dependent variable on the y-axis. Also, the scale of both axes should be reasonable, making the data as easy to read as possible. In these practice problems, we practice telling good scatter plots from bad ones.

Transcription and translation

Jue, 2018-10-11 21:30
Test your knowledge of protein synthesis!

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