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## CK-12 Middle School Math Concepts - Grade ? At grade

Presents topics including number sense, variable expressions, statistics, decimals (including addition, subtraction, multiplication, and division), fractions, ratios, proportions, percents, geometric ...

## The sexagesimal system and its operations

You'll learn to operate with numbers expressed in sexagesimal system, to convert them from sexagesimals into decimals and vice versa. You will also learn to convert sexagesimal degrees into radian ...

## Many ways to solve problems

Interpret data in tables and graphs.

Read, compare and put two and three-digit numbers in order.

Observe the regularities of the numeral system between the three-digit numbers.

Solve additions, s ...

## Comparing Numbers

Identify the order of the elements of a series, using ordinal numbers from first (1st) to tenth (10th).

Improve in telling the time in both digital and analogue clocks.

## Beaucoup de manières de résoudre des problèmes

Avancer dans la lecture de tableaux à double entrée.

Explorer différentes stratégies afin de résoudre des problèmes multiplicatifs.

Commencer la construct ...

## Comparaison entre chiffres

Interpréter des données présentées dans des tableaux et dans des graphiques à barres.

Lire, comparer et classer par ordre des nombres à deux et à tr ...