Find the following values without a calculator.
Give your answers in this manner. (Eg 0.1, 0.2, 0.3)
- 7.5, 7.6, ____, 7.8
- 8.9, ____, 9.2, 9.35
- 4.4, 4.8, 5.2, _____
(a)
Common difference
= 7.6 - 7.5
= 0.1
Number
= 7.6 + 0.1
= 7.7
(b)
Common difference
= 9.35 - 9.2
= 0.15
Number
= 8.9 + 0.15
= 9.05
(c)
Common difference
= 5.2 - 4.8
= 0.4
Number
= 5.2 + 0.4
= 5.6
Answer(s): 7.7, 9.05, 5.6