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KhanAcademyExercises

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New exercises from Khan Academy 2019-11-14T20:42:29.266846
Actualizado: hace 2 horas 26 mins

Similarity & transformations

Mar, 2019-10-22 19:31
Given two polygons, try to map one onto the other using angle-preserving transformations, and determine whether they are similar.

Systems of equations word problems capstone

Mar, 2019-10-22 17:59
Solve word problems that involve systems of equations, where there can either be a single solution, no solution, or infinite solutions.

Multi-digit division

Lun, 2019-10-21 21:33
Practice dividing multi-digit whole numbers. These problems use remainders.

The Cold War (1945-1980)

Lun, 2019-10-21 20:12
Test your knowledge on the Cold War era!

Markets, property rights, and the law of demand

Lun, 2019-10-21 18:56
Practice what you have learned so far in this lesson. Topics include the role of property rights in markets, the income effect, and the substitution effect.

Total Utility and Marginal Utility

Lun, 2019-10-21 18:46
Practice what you've learned about total utility, marginal utility, and the law of diminishing marginal utility in this exercise. 

Equivalent ratio word problems (basic)

Lun, 2019-10-21 18:33
Solve equivalent ratio word problems.  The numbers used are small enough to solve using discrete diagrams.

Finding the critical value z* for a desired confidence level

Lun, 2019-10-21 18:28
Practice finding the critical value z* for some given confidence level.

Electron configurations

Lun, 2019-10-21 16:25
Practice writing electron configurations

Evaluate expressions with parentheses

Vie, 2019-10-18 20:18
Evaluate multi-step expressions with parentheses.  Place parentheses in an expression to make the expression equivalent to a given number.

Area and the distributive property

Vie, 2019-10-18 18:38
Use area models to represent the distributive property in finding area of rectangles.

Rules that relate 2 variables

Vie, 2019-10-18 15:01
Identify the rule that describes the relationship between the x- and y-coordinates in a table or set of coordinates.

Compare volumes with unit cubes

Vie, 2019-10-18 15:00
Recognize volume as an attribute of solid figures and understand concepts of volume measurement.

Volume of rectangular prisms

Vie, 2019-10-18 15:00
Find volume of a rectangular prism with labeled side lengths.  Find a missing side length on a rectangular prism when given the volume.

Decompose figures to find volume (unit cubes)

Vie, 2019-10-18 14:59
Find the volume of irregular 3D figures made up of unit cubes by dividing the figures into rectangular prisms and finding the volume of each part.

Decompose figures to find volume

Vie, 2019-10-18 14:59
Find the volume of irregular 3D figures by dividing the figures into rectangular prisms and finding the volume of each part.

Volume word problems

Vie, 2019-10-18 14:59
Find volume of rectangular prisms to solve word problems.

Perimeter word problems

Vie, 2019-10-18 14:58
Practice solving real world word problems involving perimeter.

Compare area and perimeter

Vie, 2019-10-18 14:58
Compare the areas and perimeters of rectangles when given a context or picture.

Find perimeter by counting units

Vie, 2019-10-18 14:57
Calculate the perimeter of a rectangle from its side lengths.

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