1. 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

2. 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

3. 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

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

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

6. 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 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

7. 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 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

8. THE END
Antonella e Margherita