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New exercises from Khan Academy 2020-08-07T05:32:39.000000
Aggiornato: 2 ore 27 min fa

### Select strategies for adding within 100

Gio, 2020-06-04 21:29
Practice telling which strategies work for adding two numbers within 100.

### Analyzing motion problems (integral calculus)

Gio, 2020-06-04 19:09
Given a motion problem, find the expression that can be used in order to solve the problem.

### Water of crystallization

Gio, 2020-06-04 10:38
Let's practice writing the number of water of crystallization present in one unit of a given salt.

### Relate fractions to 1

Mer, 2020-06-03 21:40
Determine whether fractions are greater than, less than, or equal to one.

### Fractions in contexts

Mer, 2020-06-03 21:39

### Distributive property

Mer, 2020-06-03 21:23
Practice decomposing the factors in multiplication problems and see how it affects the product.

### Add using groups of 10 and 100

Mer, 2020-06-03 21:10
Practice making groups of 10 and 100 while adding 3-digit numbers.

### Converting analog data to binary

Mer, 2020-06-03 18:33
Check your understanding of how computers use sampling to convert analog data to binary data  in this set of free practice questions designed for AP Computer Science Principles students.

### Quiz: Stars and Elements

Mer, 2020-06-03 14:29
Quiz 3.2

### Quiz: My Big History

Mer, 2020-06-03 14:24
Quiz 1.4

### Quiz: Claim Testing

Mer, 2020-06-03 14:24
Quiz 1.3

### Quiz: Welcome to the Big History

Mer, 2020-06-03 14:22
Quiz 1.0

### Phylogeny

Mar, 2020-06-02 22:58

### Subtract on a number line

Mar, 2020-06-02 19:04
Practice subtracting numbers like 784 and 391 using a number line. All numbers are less than 1000.

### Corrosion: Identify the compounds

Mar, 2020-06-02 07:27
Let's practice to identify the chemical compounds of corrosion

### Context: Judaism and Christianity

Lun, 2020-06-01 23:06

### Dilations and properties

Lun, 2020-06-01 22:58
Given a shape and the dilation that is performed on it, determine which properties the shape and its image share.

### Kiki Smith Quiz

Lun, 2020-06-01 22:50
Test your knowledge on this object.

### Determine if a function is invertible

Lun, 2020-06-01 22:29
Given the table of values of a function, determine whether it is invertible or not.