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New exercises from Khan Academy 2019-09-19T16:56:25.030806
Actualizado: hace 2 horas 42 mins

Blood vessels and their maintenance

Vie, 2019-09-06 13:28
An exercise to practice on the types of blood vessels and their maintenance.

Transportation in human beings

Vie, 2019-09-06 13:25
Let's practice some questions related to transportation in human beings

Transportation in plants

Vie, 2019-09-06 13:22
In this exercise we practice on how fluids are transported in plants.

Breathing in animals

Vie, 2019-09-06 13:20
Practice on how animals breathe

Human digestion

Vie, 2019-09-06 13:04
Let's learn how human digestion occurs in the mouth, stomach, small, and the large intestine.

Digestion in Intestines

Vie, 2019-09-06 13:04
Let's practice on the digestive processes that take place in our intestines.

Deductive Arguments

Jue, 2019-09-05 17:34
Test your knowledge of deductive arguments!

Multiply monomials by polynomials challenge

Jue, 2019-09-05 17:02
Example: Find the values of the variables to make the following equation true -11(y²-cy+2) = dy²+33y-f.

Proofs with transformations

Mié, 2019-09-04 15:44
Explore different ways of proving some theorems about lines and angles. Some transformations are used.

Bulbs connected in series or parallel

Mié, 2019-09-04 14:56
Let's practice problems about finding the powers dissipated across bulbs connected in series or parallel.

Dividing fractions word problems

Mié, 2019-09-04 14:20
Practice solving word problems by dividing fractions by fractions.

Round decimals

Mié, 2019-09-04 14:14
Round decimals and whole numbers to the nearest thousand, hundred, ten, one, tenth, or hundredth.

Monopsonistic Markets

Mié, 2019-09-04 02:40
A monopsony exists when there is a single buyer of a a good, service, or factor of production. Practice what you have learned about how monopsony power affects how much of a factor is hired, the payment for that factor, and the impact on efficiency.

Multiply perfect squares of binomials

Mar, 2019-09-03 22:26
Multiply perfect squares like (x+a)² and (x-a)².

Place value tables

Mar, 2019-09-03 22:23
Use place value tables to identify value of digits in a number.

Finding patterns in data sets

Mar, 2019-09-03 22:09
Check your understand of the ways you can find patterns in data sets (like trends and correlations) in this set of free practice questions designed for AP Computer Science Principles students.

Changes in factor demand and supply

Mar, 2019-09-03 21:52
Practice what you have learned about how changes in the supply of labor and the demand for labor affect wages and employment.

Scale drawings

Mar, 2019-09-03 21:38
Find a missing side length in a scale drawing when given either a set of corresponding side lengths or one side length and the scale factor.

Particle collisions

Vie, 2019-08-30 17:44
Test your understanding of how to simulate the collision of two particles.

Affect of pH on strength of acids and bases

Vie, 2019-08-30 11:18
Let's learn how to find the strength of the solution given pH