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Quick Review:
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What is a valid approach to a problem?
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What is a invalid approach to a problem?
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For the following problems, are
the solutions valid or invalid? Click on the arrow to see if
you're right.
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Solve for n: n
+ 19 = 25
- 19 = -19
n = 6
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Reduce:
5 + 25 x 2 -12
30 x 2 -12
60 -12
48
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Solve:
34,230
-17,257
16,087
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Lowest terms:
Divide both the numerator and the denominator by 15
15/75 ÷ 15/15= 1/5
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Solve
15
m = ____ cm
meters are 100 times larger than cm so you multiply
15 x 100 = 1500
15m = 1500 cm |
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