Exam: Numbers – Fractions
Name: ___________________________________
1. Round off the correct answer:
Prime numbers have only 2 factors!
True
False
Composite numbers are divisible only by 3 factors!
True
False
Number 1 is prime number!
True
False
GCF means greatest common fraction!
True
False
4 pts
2. Match term from left column with one on the right. (3pts)
Numerator
Enlarging fractions
Razlomačka crta
Nazivnik
Denominator
Skraćivanje razlomaka
Proširivanje razlomaka
Fraction bar
Reducing fractions
Composite numbers
Prosti brojevi
Brojnik
3. Find GCF (27, 36)
Find LCM (12, 18, 9)
3pts
4. Calculate value of expression:
a)
3
4
7
1
3
6
+ + =
2 pts
5
2
6
5
b) 1 + 2.5 − =
c)
4
5
+ 2.25 − 1
3
10
3 pts
=
3 pts
2
1
4
3
6
5
d) 5 − 2.1 + 1 − 1 =
4 pts
5. Compare fractions (results) A and B if:
1
4
𝐴 = 2 + 0.7 −
5
5
8
2 2
𝐵 =4 −1 −
9
3 3
8 pts