Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 3.6, 3.7, ____, 3.9
- 5.5, ____, 5.8, 5.95
- 6.3, 6.7, 7.1, _____
(a)
Common difference
= 3.7 - 3.6
= 0.1
Number
= 3.7 + 0.1
= 3.8
(b)
Common difference
= 5.95 - 5.8
= 0.15
Number
= 5.5 + 0.15
= 5.65
(c)
Common difference
= 7.1 - 6.7
= 0.4
Number
= 7.1 + 0.4
= 7.5
Answer(s): 3.8, 5.65, 7.5