#1.2A
understand and use equivalent fractions, simplifying a fraction by cancelling common factors
\(\dfrac{8}{60} = \dfrac{2}{15}\) in its simplest form (lowest terms)
#1.2B
understand and use mixed numbers and vulgar fractions
#1.2C
identify common denominators
#1.2D
order fractions and c alculate a given fraction of a given quantity
#1.2E
express a given number as a fraction of another number
#1.2F
use common denominators to add and subtract fractions and mixed numbers
\(\dfrac{2}{3} + \dfrac{5}{7}, \quad 3\dfrac{1}{5} - 2\dfrac{2}{3}\)
#1.2G
convert a fraction to a decimal or a percentage
\(\dfrac{3}{5} = 0.6 = 60\%\)
\(\dfrac{4}{9} = 0.4444... = 44.4...\%\)
#1.2H
understand and use unit fractions as multiplicative inverses
\(3 ÷ 5 = 3 × \dfrac{1}{5}\)
#1.2I
multiply and divide fractions and mixed numbers
\(\dfrac{2}{3} × \dfrac{5}{7}, \quad 3\dfrac{1}{5} ÷ 2\dfrac{2}{3}\)