Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 0.3, 0.4)
- 70¢ + _____¢ = $1
- $0.65 + $_____ = $1
- 5¢ + $_____ = $1
- $0.25 + $_____ = $1
(a)
$1 = 100¢
70¢ + _____¢ = $1
70¢ + _____¢ = 100¢
100¢ - 70¢ = 30¢
(b)
$0.65 + $_____ = $1
$1 - $0.65 = $0.35
(c)
$1 = 100¢
5¢ + $_____ = $1
$0.05 + $_____ = $1
$1 - $0.05 = $0.95
(d)
$0.25 + $_____ = $1
$1 - $0.25 = $0.75
Answer(s): 30, 0.35, 0.95, 0.75