Printable Worksheets
Popular Worksheets
Example:
What are the common factors of 15 and 33?
Factors of 15 → 1, 3, 5, 15
Factors of 33 → 1, 3, 11, 33
Common Factors → 1, 3
Example: -2 - -3 =
1
-5
-1
Example:
-4
-2
=
2
-2
-1
Example:
Common multiples of 2 and 3
6, 12, 18,...
2, 3, 6, ...
6, 9, 12, ...
Example:
LCM (least common multiple) of 3 and 6
3
6
9
Example:
-4 + -2 =
-6
Example:
PQ ∥ RS
FALSE
TRUE
Example:
4 . 4 . 4 = _____
34
43
82
Example:
If 2n = 8, then n = ?
8
3
2
Example: Find the mode of the following: 1, 2, 4, 5, 5
Step 1: Sort the list → 1, 2, 4, 5, 5
Step 2: Find the number that is repeated the most number of times.
Step 3: In the above list, 5 is repeated twice and all the other numbers occur only once. Therefore, the mode is 5.
Example: 2 minutes after waking up
-2
+2
0
Example: Find the median of the following: 1, 2, 1, 5, 5
Step 1: Sort the list → 1, 1, 2, 5, 5
Step 2: Count of numbers listed → 5 (odd)
Step 3: So the middle number is (count+1)/2 → (5+1)/2 → 3rd number. Therefore, the median is 2.