Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 0.3, 0.4)
- 10¢ + _____¢ = $1
- $0.15 + $_____ = $1
- 35¢ + $_____ = $1
- $0.25 + $_____ = $1
(a)
$1 = 100¢
10¢ + _____¢ = $1
10¢ + _____¢ = 100¢
100¢ - 10¢ = 90¢
(b)
$0.15 + $_____ = $1
$1 - $0.15 = $0.85
(c)
$1 = 100¢
35¢ + $_____ = $1
$0.35 + $_____ = $1
$1 - $0.35 = $0.65
(d)
$0.25 + $_____ = $1
$1 - $0.25 = $0.75
Answer(s): 90, 0.85, 0.65, 0.75