Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 5.1, 5.2, ____, 5.4
- 1.8, ____, 2.1, 2.25
- 6.7, 7.1, 7.5, _____
(a)
Common difference
= 5.2 - 5.1
= 0.1
Number
= 5.2 + 0.1
= 5.3
(b)
Common difference
= 2.25 - 2.1
= 0.15
Number
= 1.8 + 0.15
= 1.95
(c)
Common difference
= 7.5 - 7.1
= 0.4
Number
= 7.5 + 0.4
= 7.9
Answer(s): 5.3, 1.95, 7.9