Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 0.3, 0.4)
- 30¢ + _____¢ = $1
- $0.95 + $_____ = $1
- 15¢ + $_____ = $1
- $0.45 + $_____ = $1
(a)
$1 = 100¢
30¢ + _____¢ = $1
30¢ + _____¢ = 100¢
100¢ - 30¢ = 70¢
(b)
$0.95 + $_____ = $1
$1 - $0.95 = $0.05
(c)
$1 = 100¢
15¢ + $_____ = $1
$0.15 + $_____ = $1
$1 - $0.15 = $0.85
(d)
$0.45 + $_____ = $1
$1 - $0.45 = $0.55
Answer(s): 70, 0.05, 0.85, 0.55