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KhanAcademyExercises

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New exercises from Khan Academy 2019-11-14T20:42:29.266846
Actualizado: hace 2 horas 27 mins

Challenges of the 21st century

Lun, 2019-11-04 22:18
Test your skills on the domestic and international challenges of the 21st century!

A changing economy

Lun, 2019-11-04 22:03
Test your skills on the economic and technological changes of period 9!

Conditional repetition of instructions

Dom, 2019-11-03 23:18
Practice using iteration in computer programs to repeat code until a boolean expression is true for programs written in the AP CSP pseudocode, in this set of free practice questions designed for AP Computer Science Principles students.

Programming basics

Dom, 2019-11-03 22:56
Practice programming statements, displaying output to the screen, and pseudocode, in this set of free practice questions designed for AP Computer Science Principles students.

Lossless file compression

Dom, 2019-11-03 19:32
Practice using lossless text and image compression algorithms and considering what data can be compressed most easily, in this set of free practice questions designed for AP Computer Science Principles students.

Verifying an algorithm

Dom, 2019-11-03 19:14
Practice verifying whether algorithms are correct with empirical analysis and logical reasoning, in this set of free practice questions designed for AP Computer Science Principles students.

Binary numbers

Dom, 2019-11-03 19:09
Practice converting between binary numbers and decimal numbers in this set of free practice questions designed for AP Computer Science Principles students.

Public key encryption

Dom, 2019-11-03 18:58
Check your understanding of cryptography and public key encryption, in this set of free practice questions designed for AP Computer Science Principles students.

Tell time to the nearest minute

Vie, 2019-11-01 20:12
Practice telling time using analog clocks. Some clocks do not have labels.

Read bar graphs (2-step problems)

Jue, 2019-10-31 23:01
Read and interpret a double bar graphs.

Create bar graphs

Jue, 2019-10-31 23:01
Create a bar graph with the data given.

Create picture graphs (picture more than 1)

Jue, 2019-10-31 23:01
Create and interpret picture graphs.  Each picture on the graph represents a number greater than 1.

Read picture graphs (multi-step problems)

Jue, 2019-10-31 23:01
Interpret picture graphs to answer questions about a context.

Relationships between 2 patterns

Jue, 2019-10-31 23:00
Generate patterns using given rules. Identify relationships between terms. Graph ordered pairs consisting of corresponding terms from the patterns.

Graphs of rules that relate 2 variables

Jue, 2019-10-31 23:00
Complete a table from a given rule. Then, plot points from the table on a coordinate plane.

Tables from rules that relate 2 variables

Jue, 2019-10-31 23:00
Complete a table, identify coordinates, and identify inputs and outputs when given a two-variable rule.

Create expressions with parentheses

Jue, 2019-10-31 23:00
Practice creating expressions with parentheses from real-world contexts.

Translate expressions with parentheses

Jue, 2019-10-31 23:00
Practice using parentheses to change expressions from written form to number form.

Area & perimeter of rectangles word problems

Jue, 2019-10-31 22:58
Find the missing side length of a rectangle when given its perimeter or area.  Compare perimeters and areas of rectangles.

Interpret multiplying fraction and whole number word problems

Jue, 2019-10-31 22:57
Solve word problems involving multiplication of a fraction by a whole number.  Then interpret the solution by, for example, determining between which two whole numbers the solution falls.

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