Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 4.4, 4.5, ____, 4.7
- 1.2, ____, 1.5, 1.65
- 7.6, 8, 8.4, _____
(a)
Common difference
= 4.5 - 4.4
= 0.1
Number
= 4.5 + 0.1
= 4.6
(b)
Common difference
= 1.65 - 1.5
= 0.15
Number
= 1.2 + 0.15
= 1.35
(c)
Common difference
= 8.4 - 8
= 0.4
Number
= 8.4 + 0.4
= 8.8
Answer(s): 4.6, 1.35, 8.8