7th Grade MATH STAAR Numbers and Operations

Front

What are natural numbers?

Back

Natural numbers are the set of positive integers starting from 1, 2, 3, and so on.

Front

What are whole numbers?

Back

Whole numbers are the set of natural numbers including zero: 0, 1, 2, 3, and so on.

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero: ..., -3, -2, -1, 0, 1, 2, 3, ...

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero.

Front

How do you calculate the cost of each item when given total cost and change?

Back

Subtract the change from the total amount given to find the total cost, then divide by the number of items.

Front

If Marsha paid $20 for 3 pairs of socks and received $5.03 in change, what is the cost of each pair of socks?

Back

Each pair of socks costs $4.99.

Front

What is a Venn diagram?

Back

A Venn diagram is a visual representation that shows the relationships between different sets.

Front

How do you represent the relationship among integers, natural numbers, rational numbers, and whole numbers in a Venn diagram?

Back

Natural numbers are a subset of whole numbers, which are a subset of integers, and integers can be rational numbers.

Front

What is the total amount paid if the change received is known?

Back

Total amount paid = Amount given - Change received.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as fractions.