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New exercises from Khan Academy 2019-09-19T16:56:25.030806
Actualizado: hace 15 mins 41 segs

Dispersion of light

Mar, 2019-08-27 03:38
Let's practice some problems to understand the phenomenon of dispersion and one of it's basic features.

Computer components

Lun, 2019-08-26 20:39
Check your understanding of the flow inside the computer, from the input to the CPU and memory and back to the output, in this set of free practice questions designed for AP Computer Science Principles students.

Determine translations

Lun, 2019-08-26 18:38
Given two figures on the coordinate plane, find the formal definition of the translation that takes one figure to another.

Unit circle

Lun, 2019-08-26 17:37
Practice your understanding of the unit circle definition of sine and cosine.

Evaluate functions

Lun, 2019-08-26 17:35
Evaluate functions for specific inputs given the formula of the function.  Functions are written using function notation.

Defects of vision - causes and corrections

Lun, 2019-08-26 10:59
Let's practice problems to understand the causes of the common defects of human vision (myopia, hypermetropia, and presbyopia) and how to correct them with external lenses.

Rainbows

Lun, 2019-08-26 10:59
Let's practice problems to better understand how rainbows form.

Power of accommodation

Lun, 2019-08-26 10:59
Let's practice problems that test our understanding of how the eye adjusts its focal length to focus light from objects at different distances.

Parts of the human eye - labelling

Lun, 2019-08-26 10:59
Let's practice labelling the different parts of the human eye.

Parts of the human eye - features and functions

Lun, 2019-08-26 10:58
Let's practice identifying the features and functions of different parts of the human eye.

Multiply monomials

Lun, 2019-08-26 01:09
Express the product of two monomial expressions as a single monomial

Calculating opportunity costs from a production possibilities curve (PPC)

Sáb, 2019-08-24 00:07
In this exercise, practice using data from a production possibilities curve to calculate opportunity costs.

Dividing unit fractions by whole numbers

Vie, 2019-08-23 21:16
Divide a unit fraction by a whole number.

Add fractions with unlike denominators

Vie, 2019-08-23 21:15
Practice adding fractions that have different denominators.

Divide whole numbers to get a decimal (2-digit divisors)

Vie, 2019-08-23 21:13
Dividing larger whole numbers to get a decimal quotient like 63÷12=5.25

Divide decimals by whole numbers

Vie, 2019-08-23 21:13
Dividing decimals by whole numbers like 2.5÷5 or 1.86÷2

Multiply decimals tenths

Vie, 2019-08-23 21:12
Multiply tenths like 0.6 x 0.4

Multiply whole numbers and decimals less than 1

Vie, 2019-08-23 21:12
Multiply decimals and whole numbers like 8x0.2 or 0.56x4

Estimating with multiplying decimals

Vie, 2019-08-23 21:12
For example, estimate 6.74 x 1.98 to be 14.

Divide by taking out factors of 10

Vie, 2019-08-23 21:10
Divide numbers like 2400÷30.

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