Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 0.3, 0.4)
- 50¢ + _____¢ = $1
- $0.75 + $_____ = $1
- 70¢ + $_____ = $1
- $0.75 + $_____ = $1
(a)
$1 = 100¢
50¢ + _____¢ = $1
50¢ + _____¢ = 100¢
100¢ - 50¢ = 50¢
(b)
$0.75 + $_____ = $1
$1 - $0.75 = $0.25
(c)
$1 = 100¢
70¢ + $_____ = $1
$0.70 + $_____ = $1
$1 - $0.70 = $0.30
(d)
$0.75 + $_____ = $1
$1 - $0.75 = $0.25
Answer(s): 50, 0.25, 0.30, 0.25