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New exercises from Khan Academy 2021-05-04T22:50:46.000000
Atualizado: 1 hora 40 minutos atrás

### Compare decimal place value

qui, 2021-04-29 22:03
Compare 2 numbers to thousandths based on meanings of the digits in each place.

### Multiplying fractions

qui, 2021-04-29 22:02
Practice multiplying two fractions.

### Add and subtract fractions

qui, 2021-04-29 22:02
Challenge problems involving adding and subtracting fractions that have unlike denominators.

### Telling time word problems

qui, 2021-04-29 21:56
Solve a word problem to find the duration of an event. Both analog or digital clocks are included. Time in the word problems crosses over the hour.

### Visually compare fractions with unlike denominators

qui, 2021-04-29 21:44
Practice comparing fractions by looking at pictures. Fractions in these problems do not have common denominators.

### Decimals in words

qui, 2021-04-29 21:35
Practice writing decimal numbers in word form and number form.

### Order decimals and fractions in different forms

qui, 2021-04-29 21:33
Order fractions and decimals in different forms, such as grids or word form. Decimals and fractions in these problems are limited to tenths and hundredths.

### Compare decimals and fractions in different forms

qui, 2021-04-29 21:33
Compare fractions and decimals in different forms, such as grids or word form. Decimals and fractions in these problems are limited to tenths and hundredths.

### Compare decimals visually

qui, 2021-04-29 21:33
Practice comparing decimals with the help of visual aids.

### Write decimals and fractions shown on number lines

qui, 2021-04-29 21:32

### Interpret line plots with fraction addition and subtraction

qui, 2021-04-29 21:30
Create and interpret dot plots using data with fractions.  Fraction operations include addition and subtraction.

### Decompose fractions visually

qui, 2021-04-29 21:29

### Decompose fractions

qui, 2021-04-29 21:29
Practice decomposing fractions (breaking fractions into parts that can be added together).

### Estimate products (2-digit numbers)

qui, 2021-04-29 21:28

### Multiply 3- and 4-digits by 1-digit with area models

qui, 2021-04-29 21:27
Use an area model to decompose the larger factor and multiply.

### Multiply 2-digits by 1-digit with area models

qui, 2021-04-29 21:27

### Multiply and divide by 10

qui, 2021-04-29 21:26
Practice multiplying and dividing whole numbers by ten.

### Calculating equilibrium concentrations

qui, 2021-04-29 16:42
Practice finding concentrations or partial pressures at equilibrium in this set of free questions designed for AP Chemistry students.

### Le Châtelier's principle

qui, 2021-04-29 16:38
Check your understanding of Le Châtelier's principle in this set of free practice questions designed for AP Chemistry students.

### Species growth

qui, 2021-04-29 15:47
Species Growth