fractions Problems solving Using math model diagrams (bar-models) CLIL Maths in English fractions Problems solving Using math model diagrams (bar-models) Antonella e Margherita

Maths Vocabulary Fraction Is a part of a whole quantity or number (the fraction 1/6 means 1 part out of 6 equal parts ) Numerator The top part of a fraction Denominator The bottom part of a fraction Proper fraction A fraction in which the numerator is lower than the denominator (ex. 3/4) Improper fraction A fraction in which the numerator is greater than the denominator ( ex. 12/5) Apparent fraction A fraction in which the numerator is equal to the denominator or the numerator is multiple of the denominator ( ex. 5/5 or 15/5) Equivalent fractions Fractions which have the same value ( ex. 3/5 and 9/15) Antonella e Margherita

Select the type of problem knowing… A is a fraction of B Select the type of problem knowing… A B A + B B - A Antonella e Margherita

Find this: the rest is easy A is 2 5 of B and I know B. Find A A B Find this: the rest is easy B : 5 = A = x 2 Antonella e Margherita

Find this: the rest is easy A is 2 5 of B and I know A. Find B A B Find this: the rest is easy A : 2 = B = x 5 Antonella e Margherita

A is 2 5 of B and I know A +B. Find A and B A B (A +B) : 7 = A = x 2 Find this: the rest is easy A is 2 5 of B and I know A +B. Find A and B A B A + B (A +B) : 7 = A = x 2 B = x 5 Antonella e Margherita

A is 2 5 of B and I know B - A Find A and B A B (B - A) : 3 = A = x 2 Find this: the rest is easy A is 2 5 of B and I know B - A Find A and B A B B - A (B - A) : 3 = A = x 2 B = x 5 Antonella e Margherita

THE END Antonella e Margherita