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
- 5.7, ____, 6, 6.15
- 1.4, 1.8, 2.2, _____
(a)
Common difference
= 1.7 - 1.6
= 0.1
Number
= 1.7 + 0.1
= 1.8
(b)
Common difference
= 6.15 - 6
= 0.15
Number
= 5.7 + 0.15
= 5.85
(c)
Common difference
= 2.2 - 1.8
= 0.4
Number
= 2.2 + 0.4
= 2.6
Answer(s): 1.8, 5.85, 2.6