Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 8.2, 8.3, ____, 8.5
- 3.4, ____, 3.7, 3.85
- 2.3, 2.7, 3.1, _____
(a)
Common difference
= 8.3 - 8.2
= 0.1
Number
= 8.3 + 0.1
= 8.4
(b)
Common difference
= 3.85 - 3.7
= 0.15
Number
= 3.4 + 0.15
= 3.55
(c)
Common difference
= 3.1 - 2.7
= 0.4
Number
= 3.1 + 0.4
= 3.5
Answer(s): 8.4, 3.55, 3.5