Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 0.3, 0.4, ____, 0.6
- 6.3, ____, 6.6, 6.75
- 7.9, 8.3, 8.7, _____
(a)
Common difference
= 0.4 - 0.3
= 0.1
Number
= 0.4 + 0.1
= 0.5
(b)
Common difference
= 6.75 - 6.6
= 0.15
Number
= 6.3 + 0.15
= 6.45
(c)
Common difference
= 8.7 - 8.3
= 0.4
Number
= 8.7 + 0.4
= 9.1
Answer(s): 0.5, 6.45, 9.1