Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 0.3, 0.4)
- 40¢ + _____¢ = $1
- $0.45 + $_____ = $1
- 80¢ + $_____ = $1
- $0.05 + $_____ = $1
(a)
$1 = 100¢
40¢ + _____¢ = $1
40¢ + _____¢ = 100¢
100¢ - 40¢ = 60¢
(b)
$0.45 + $_____ = $1
$1 - $0.45 = $0.55
(c)
$1 = 100¢
80¢ + $_____ = $1
$0.80 + $_____ = $1
$1 - $0.80 = $0.20
(d)
$0.05 + $_____ = $1
$1 - $0.05 = $0.95
Answer(s): 60, 0.55, 0.20, 0.95