7th Grade Math STAAR Review

Front

Back

y > 36

Front

Back

-14.2

Front

At an assembly, 7 out of the first 10 students were carrying a backpack. If 700 students were at the assembly, how many students could be expected to be carrying a backpack? (Create a proportion, then cross multiply and divide)

Back

490

Front

The price of a television was reduced from $250 to $200. By what percentage was the price of the television reduced? (Use Percent of Change Proportion, then cross multiply and divide)

Back

20%

Front

Ashton needs a total of $1.50 in quarters for a car wash. He already has $0.75. Which equation can be used to find q, the number of additional quarters Ashton needs?

Back

1.5 = 0.25q + 0.75

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.

Front

Define 'percent of change'.

Back

Percent of change is a way to express the difference between an old value and a new value as a percentage of the old value.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

Explain how to solve a basic inequality.

Back

To solve a basic inequality, isolate the variable on one side of the inequality sign using inverse operations, similar to solving an equation.

Front

What does it mean to cross multiply?

Back

Cross multiplying involves multiplying the numerator of one fraction by the denominator of the other fraction to find a common value.