Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 1.6, 1.7, ____, 1.9
- 4.5, ____, 4.8, 4.95
- 1.9, 2.3, 2.7, _____
(a)
Common difference
= 1.7 - 1.6
= 0.1
Number
= 1.7 + 0.1
= 1.8
(b)
Common difference
= 4.95 - 4.8
= 0.15
Number
= 4.5 + 0.15
= 4.65
(c)
Common difference
= 2.7 - 2.3
= 0.4
Number
= 2.7 + 0.4
= 3.1
Answer(s): 1.8, 4.65, 3.1