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New exercises from Khan Academy 2019-10-18T20:18:33.784747
URL: http://khanacademy.org
Actualizado: hace 1 hora 5 mins

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.

Decompose figures to find area

Vie, 2019-10-18 14:54
Practice decomposing irregular shapes to find their area.  

Understand decomposing figures to find area

Vie, 2019-10-18 14:54
Practice decomposing figures into rectangles to find area. Some figures are on grids.

Area of rectangles

Vie, 2019-10-18 14:52
Find area of rectangles and squares by multiplying side lengths.

Compare area with unit squares

Vie, 2019-10-18 14:52
Compare the amount of unit squares that cover figures.

Create rectangles with a given area

Vie, 2019-10-18 14:52
Practice finding the area of rectangles by counting unit square. Create rectangles with a given area by covering unit squares.

Add and subtract fractions word problems

Vie, 2019-10-18 14:51
Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators.

Multiply fractions word problems

Vie, 2019-10-18 14:51
Solve fraction and mixed number multiplication word problems.

Equivalent whole number and fraction multiplication expressions

Vie, 2019-10-18 14:50
Practice seeing how one whole-number-times-fraction problem is the same as another.  Find equivalent multiplication expressions. 

Add within 1000

Jue, 2019-10-17 16:45
Practice adding three-digit numbers. All sums are 1000 or less.

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