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Questions and Answers
What is the purpose of parentheses in a mathematical expression?
What is the purpose of parentheses in a mathematical expression?
- To indicate the starting and ending points of the expression
- To group numbers that need to be worked with before other numbers (correct)
- To signify that the numbers inside should be added first
- To show where subtraction should be performed
What does the associative property of multiplication state?
What does the associative property of multiplication state?
- The total of numbers being multiplied remains the same regardless of the grouping (correct)
- Changing the groupings in a multiplication problem will always give a different total
- If you change the order of the numbers, the total changes accordingly
- The answer to a multiplication problem is affected by the position of the equal sign
In the expression (4 x 5) x 6, what is the result after solving within the parentheses?
In the expression (4 x 5) x 6, what is the result after solving within the parentheses?
- $20$ (correct)
- $30$
- $2$
- $9$
If you have the equation 4 x (5 x 6), what operation should be done first according to the associative property?
If you have the equation 4 x (5 x 6), what operation should be done first according to the associative property?
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What property allows us to change the grouping in a multiplication problem without affecting the result?
What property allows us to change the grouping in a multiplication problem without affecting the result?
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