Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 6.5, 6.6, ____, 6.8
- 2.8, ____, 3.1, 3.25
- 3.7, 4.1, 4.5, _____
(a)
Common difference
= 6.6 - 6.5
= 0.1
Number
= 6.6 + 0.1
= 6.7
(b)
Common difference
= 3.25 - 3.1
= 0.15
Number
= 2.8 + 0.15
= 2.95
(c)
Common difference
= 4.5 - 4.1
= 0.4
Number
= 4.5 + 0.4
= 4.9
Answer(s): 6.7, 2.95, 4.9