Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 0.3, 0.4)
- 70¢ + _____¢ = $1
- $0.35 + $_____ = $1
- 40¢ + $_____ = $1
- $0.85 + $_____ = $1
(a)
$1 = 100¢
70¢ + _____¢ = $1
70¢ + _____¢ = 100¢
100¢ - 70¢ = 30¢
(b)
$0.35 + $_____ = $1
$1 - $0.35 = $0.65
(c)
$1 = 100¢
40¢ + $_____ = $1
$0.40 + $_____ = $1
$1 - $0.40 = $0.60
(d)
$0.85 + $_____ = $1
$1 - $0.85 = $0.15
Answer(s): 30, 0.65, 0.60, 0.15