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New exercises from Khan Academy 2021-07-25T16:04:56.000000
Atualizado: 2 horas 43 minutos atrás

Multiply decimals (1&2-digit factors)

qua, 2021-05-19 15:35
Multiply numbers with tenths and hundredths like 3.1x3.3 or 1.7x0.12

Add and subtract fractions word problems

qua, 2021-05-19 15:31
Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators.

Dividing fractions

qua, 2021-05-19 15:28
Practice dividing fractions by fractions. No negative numbers are used in this exercise.

Equivalent fractions

qua, 2021-05-19 15:15
Practice making equivalent fractions by multiplying the numerator and denominator by the same number.

Add fractions (denominators 10 & 100)

qua, 2021-05-19 14:53
Practice adding fractions that have denominators of 10 and 100.

Salcedo, Shibboleth

qua, 2021-05-19 14:21
Test your knowledge on this object.

Gros, Napoleon Bonaparte Visiting the Plague-Stricken in Jaffa

qua, 2021-05-19 14:20
Test your knowledge on this object.

Fauvism and Matisse

qua, 2021-05-19 14:20

Subtract 10s and 100s (no regrouping)

ter, 2021-05-18 22:59
Practice subtracting 1, 10, or 100 from a number.

Place value blocks within 1,000

ter, 2021-05-18 22:58
Practice using place value blocks to represent numbers within 1000.

Addition & subtraction: find the missing value

ter, 2021-05-18 21:54
Practice finding the missing value in an addition or subtraction equation involving negative numbers.

Order of operations

ter, 2021-05-18 21:36
Practice evaluating expressions using the order of operations.

Direction of magnetic field due to a current-carrying circular loop

sex, 2021-05-07 09:00
Let's test our understanding of the magnetic field and field lines due to a current passing in a circular loop.

Solubility equilibria

qui, 2021-05-06 23:02
Check your understanding of solubility equilibria in this set of free practice questions designed for AP Chemistry students.

Using the reaction quotient

qua, 2021-05-05 20:35
Practice using the reaction quotient to predict the direction of a reaction in this set of free questions designed for AP Chemistry students.

Finding percents

ter, 2021-05-04 22:50
Find a percent of a quantity as a rate per 100; solve problems involving finding the whole, given a part and the percent.

Relate fractions, decimals, and percents

ter, 2021-05-04 22:39
Use fraction models and hundredths grids to identify equivalent fractions, decimals, and percents.

Distributive property with variables (negative numbers)

ter, 2021-05-04 21:49
Factor and expand expressions like -3x-9 by applying the distributive property.  Expressions include variables and negative numbers.

Two-step equations

seg, 2021-05-03 22:55
Practice solving equations that take two steps to solve. For example, solve  -16 = x/4 + 2.


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