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New exercises from Khan Academy 2020-05-29T13:47:37.544650
Aggiornato: 1 ora 7 min fa

Subtract within 100 using a number line

Mar, 2020-05-26 14:59
Practice subtracting numbers within 100 using a number line.

Subtract within 100 using place value blocks

Mar, 2020-05-26 14:55
Practice subtracting 2-digit numbers using place value blocks.

Add within 100 using a number line

Mar, 2020-05-26 14:47
Practice adding numbers using a number line. Numbers used in these problems are all less than 100.

Add within 100 using place value blocks

Mar, 2020-05-26 14:38
Practice adding numbers within 100 using place value blocks.

Identifying the gas released

Mar, 2020-05-26 06:49
Let's practice identifying the gas released when a metal reacts with an acid, a base, a carbonate, or a bicarbonate compound.

Exponential model word problems

Dom, 2020-05-24 15:24
Solve word problems about exponential situations.

Divide quadratics by linear expressions (with remainders)

Dom, 2020-05-24 15:04
Divide quadratic expressions by linear expressions, where the linear expression isn't a factor of the quadratic expression, so the division has a remainder.

Divide polynomials by x (with remainders)

Dom, 2020-05-24 15:02
Divide polynomials by x, where the polynomial isn't divisible by x, so the result has a remainder.

Multiply binomials by polynomials

Dom, 2020-05-24 14:57
Use the distributive property to express the product of a binomial and a polynomial as a single polynomial.

Add & subtract polynomials

Dom, 2020-05-24 14:54
Example: Subtract -2x²+4x-1 from 6x²+3x-9.

Roots of decimals & fractions

Dom, 2020-05-24 14:24
Practice taking square roots of decimals and fractions.

Equations with parentheses: decimals & fractions

Dom, 2020-05-24 11:42
Solve linear equations that contain expressions with parentheses and the coefficients are rational numbers.

Equations with variables on both sides: decimals & fractions

Dom, 2020-05-24 11:40
Solve linear equations where the variable appears on both sides of the equation and the coefficients are decimals or fractions.

Equivalent expressions: negative numbers & distribution

Dom, 2020-05-24 11:34
Practice figuring out which expressions are equivalent by applying your knowledge of negative numbers and the distributive property.

One-step multiplication & division equations: fractions & decimals

Dom, 2020-05-24 11:19
Practice solving equations in one step by multiplying or dividing a number from both sides. These problems involve decimals and fractions.

One-step addition & subtraction equations: fractions & decimals

Dom, 2020-05-24 11:17
Practice solving equations in one step by adding or subtracting a number from both sides. These problems involve decimals and fractions.

Function domain word problems

Sab, 2020-05-23 06:22
Use information about a situation to figure out the domain of the function which models it.

Calculating the median: data displays

Ven, 2020-05-22 19:02
Practice computing the median of data sets presented in a variety of formats, such as frequency tables and dot plots.

Photoelectron spectroscopy

Ven, 2020-05-22 16:19
Practice interpreting photoelectron spectroscopy data in this set of free questions designed for AP Chemistry students.

Inscribed angles

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


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