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KhanAcademyExercises

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New exercises from Khan Academy 2020-08-07T05:32:39.000000
Aggiornato: 2 ore 55 min fa

Inscribed angles

Ven, 2020-05-22 15:32
Practice the relationship between inscribed & central angles that are subtended by the same arc length.

Arc length

Ven, 2020-05-22 15:16
Relate the length of an arc to the circumference of a whole circle and the central angle subtended by the arc.

Parallel & perpendicular lines from graph

Ven, 2020-05-22 15:14
Given points that two lines go through or the graph of each line, classify the lines as parallel, perpendicular, or neither.

Understand equivalent ratios in the real world

Gio, 2020-05-21 23:54
This exercise builds an understanding of what it means for ratios to be equivalent or not be equivalent.

Rational numbers on the number line

Gio, 2020-05-21 22:56
Practice placing positive and negative fractions and decimals on the number line.

Area of a sector

Gio, 2020-05-21 21:20
Relate the area of a sector to the area of a whole circle and the central angle measure.

Interpreting quartiles

Gio, 2020-05-21 17:00
Practice understanding the meaning of quartiles of data sets.

Phenolphthalein and methyl orange test

Gio, 2020-05-21 10:02
Let's practice problems involving testing whether a given substance is acidic or basic using phenolphthalein and methyl orange indicators.

Types of decomposition reaction

Gio, 2020-05-21 09:28
Let's practice identifying the types of decomposition reactions by knowing the given chemical reaction undergoes decomposition in the presence of heat, light, or electricity.

Creating box plots

Mer, 2020-05-20 23:01
More practice making box plots to summarize data sets.

Visually assessing standard deviation

Mer, 2020-05-20 22:51
Practice estimating standard deviation from data displays and comparing the standard deviations between sets of data.

Radians & degrees

Mer, 2020-05-20 19:30
Convert angle measures given in degrees to radians and vice versa.

Divide line segments

Mar, 2020-05-19 20:15
Figure out the coordinates of a point between two other points that gives a certain ratio. For example, find a point B so that it is two thirds of the way between point A and C.

Points inside/outside/on a circle

Mar, 2020-05-19 20:13
Given the center and radius of a circle, determine if a point is inside of the circle, on the circle, or outside of the circle

Midpoint formula

Mar, 2020-05-19 19:53
Find the midpoint of a segment on the coordinate plane, or find the endpoint of a segment given one point and the midpoint.

Reading box plots

Mar, 2020-05-19 16:48
Practice reading information presented in box plots.

Effects of shifting, adding, & removing a data point

Mar, 2020-05-19 16:43
Practice figuring out how the mean and median are affected when a data point is added to, taken from, or shifted within a data set.

Identify quadrilaterals

Lun, 2020-05-18 21:55
Identify squares, rectangles, and rhombuses.

Find area by counting unit squares

Lun, 2020-05-18 21:39
Find the area of shapes by counting the unit squares inside them.

Interpret dot plots with fraction operations

Lun, 2020-05-18 17:15
Interpret fraction data on dot plots to solve word problems.

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