Order of Operations
6 x 3 + 2
18 + 2 =
20
Prime or Composite
18
Composite
Reduce this fraction to it's lowest term.
12/18
2/3
Add.
3/10 + 9/10 + 7/10
19/10 = 1 9/10
Multiply.
2/3 x 4/15
8/45
(12 + 6) X 5
18 x 5 =
90
List the factors of 10
1, 2, 5, 10
Change from improper fraction to mixed or whole number.
9/4
2 1/4
Subtract.
23 5/9 - 16 4/9
7 1/9
Multiply.
5 1/3 x 2 1/2
16/3 x 5/2 =
40/3 =
13 1/3
7 x (8 + 1) - 12
7 x 9 - 12 =
63 - 12 =
51
List the factors of 42
1, 2, 3, 6, 7, 14, 21, 42
Change from improper fraction to mixed or whole number.
18/4
4 2/4 = 4 1/2
Subtract.
16 2/3 - 9 3/5
16 10/15 - 9 9/15 =
7 1/15
Divide.
3/8 -: 3/10
3/8 x 10/3 =
5/4 =
1 1/4
(9 x 6) + (7 x 3)
54 + 21 =
75
Find the Greatest Common Factor (GCF) of 15; 20
15= 1, 3, 5, 15
20= 1, 2, 4, 5, 10, 20
Common= 1, 5
GCF= 5
Change from mixed number to improper fraction.
14 1/4
57/4
Add.
15 2/3 + 17 3/4
15 8/12 + 17 9/12 =
32 17/12 (1 5/12) =
33 5/12
Divide.
3 3/4 -: 2 3/8
15/4 x 8/19 =
30/19 =
1 11/19
6 + (3 x (4 + 3))
6 + (3 x 7) =
6 + 21 =
27
Find the Greatest Common Factor (GCF) of 8; 12
8= 1, 2, 4, 8
12= 1, 2, 3, 4, 6, 12
Common= 1, 2, 4
GCF= 4
Change from mixed number to improper fraction.
24 1/2
49/2
Add.
5 1/2 + 7 3/4 + 18 5/6
5 6/12 + 7 9/12 + 18 10/12 =
30 25/12 (2 1/12) =
32 1/12
Simplify this complex fraction.
12 1/2 || 3/5
12 1/2 -: 3/5 =
25/2 x 5/3 =
125/6=
20 5/6