Math 7A CAASPP Practice Flashcard

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What is the process of combining like terms in an expression?

Back

Combining like terms involves adding or subtracting terms that have the same variable raised to the same power. For example, in the expression (4x + 3) + (-2x + 4), you combine 4x and -2x to get 2x, and 3 and 4 to get 7, resulting in 2x + 7.

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Back

Front

How do you determine the minimum number of items needed to reach a financial goal?

Back

To find the minimum number of items needed, subtract the initial amount from the goal amount and then divide by the amount earned per item. For example, if Jenny has $25 and wants to buy a $65 ticket, she needs to earn $40 more. If she earns $10 per lawn, she needs to mow 4 lawns.

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What is a proportional relationship?

Back

A proportional relationship is one where two quantities maintain a constant ratio. For example, if there are 3.5 grams of peanuts for every 1 gram of raisins, the relationship is proportional.

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How do you calculate the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width. For example, if a rectangle has a length of 25 inches and a width of 55 inches, the area is 25 * 55 = 1375 square inches.

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What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value. For example, 4x + 3 is an expression.

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What does it mean for two expressions to be equivalent?

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Two expressions are equivalent if they have the same value for all values of the variable(s). For example, (4x + 3) + (-2x + 4) is equivalent to 2x + 7.

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What is the importance of understanding decimals in mathematics?

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How do you solve for a variable in an equation?

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To solve for a variable, isolate the variable on one side of the equation using inverse operations. For example, in the equation x + 5 = 10, subtract 5 from both sides to find x = 5.

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What is the formula for finding the area of a composite figure?

Back

To find the area of a composite figure, break it down into simpler shapes (like rectangles) and calculate the area of each shape, then sum those areas.