Aspect: Quantity and Number

This aspect is in the main category: Content Knowledge and Skills

Aspect: Quantity and number; proportion and ratio

Level	Descriptors
	Concept	Numerate behaviour	Tools
Z2	Understands advanced algebra	Uses algebra in advanced professional settings	May use advanced digital programs for scientific purposes
Z1	Understands the concept of elementary algebra	Uses elementary algebra such as squaring, comparisons, substitution	May use algebra as a basis for logical reasoning and digital knowledge like for programming software
Y2	Understands the concept of proportional reasoning	Uses proportional reasoning to solve complex mathematical problems in professional settings Can do more complex computations with fractions, decimals, percent, promille	May use more advanced spreadsheets for professional use.
Y1	Understands the concept of proportions and ratios	Uses operations with key fractions, decimals and percent like 0,5, 0,10, 0,25, ½, ¼, 10%, 25%	May use a calculator and spreadsheets for doing computations in work situations
X2	Understands the concept of whole numbers, fractions and decimals	Uses basic operations with whole numbers, fractions and decimals in everyday life situations	May use mental computations, pen and paper and a calculator for doing computations, e.g. with money or measurement units.
X1	Understands the concept of quantity and number and basic operations	Uses all four basic operations with whole numbers in personal life	May use mental arithmetic, pen and paper and calculator for doing basic operations