Example: Lucy had 1 blue, 3 green and 4 red pens. What type of a ratio is 3:4??
whole to part
part to whole
part to part
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 minutes after waking up
-2
+2
0
Example:
4 . 4 . 4 = _____
34
43
82
Example:
0.253 - 0.215
0.305
0.038
0.142
Example:
Reduce 2:10 to its lowest terms
1:5
2:5
8:10
Example:
If 2n = 8, then n = ?
8
3
2
Example: 22
-22
>
=
<
Example: Find the mean of the following: 1, 2, 3, 4, 5 Step 1: Find the sum of all numbers → 1+2+3+4+5 = 15 Step 2: Divide total by the number of numbers → 15 ÷ 5 = 3