Exam/BM 2 Challenge 1

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Back

Front

Which expression is equivalent to 30 + 48?

Back

6(5 + 8)

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What are opposites in mathematics?

Back

Opposites are numbers that are the same distance from zero on a number line but in opposite directions.

Front

If a student graphs 1 and -1, are they opposites?

Back

Yes, 1 and -1 are opposites.

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16 pieces

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What is the largest number of identical bags that can be made with 20 green marbles and 30 blue marbles?

Back

5 bags with 4 green and 6 blue marbles.

Front

What is the formula for dividing fractions?

Back

To divide fractions, multiply by the reciprocal of the divisor.

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Back

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of their variables.

Front

What is the process to simplify the expression 30 + 48?

Back

Combine like terms to get 78.