Math 7th: 7.2A 7.3A 7.3B Pre Assessment

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction where both the numerator and the denominator are integers, and the denominator is not zero. Examples include 1/2, -3, and 4.75.

Front

What is the relationship between whole numbers and integers?

Back

All whole numbers are integers. Whole numbers include 0 and all positive integers (1, 2, 3, ...), while integers include all whole numbers and their negative counterparts (-1, -2, -3, ...).

Front

Is 7 ½ an integer?

Back

No, 7 ½ is not an integer. It is a mixed number.

Front

How do you calculate total earnings from hourly wages?

Back

To calculate total earnings, multiply the hourly wage by the number of hours worked. For example, if you earn $11.20 per hour and work 30 hours, your earnings would be $11.20 x 30 = $336.

Front

What is the formula to find the remaining balance on a gift card after a purchase?

Back

Remaining balance = Initial balance - Cost of purchase. For example, if the gift card has $85.00 and the groceries cost $56.90, the remaining balance is $85.00 - $56.90 = $28.10.

Front

What are integers?

Back

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

Front

What are whole numbers?

Back

Whole numbers are non-negative integers, including zero. They are 0, 1, 2, 3, and so on.

Front

What is the difference between natural numbers and whole numbers?

Back

Natural numbers are the set of positive integers starting from 1 (1, 2, 3, ...), while whole numbers include all natural numbers and zero (0, 1, 2, 3, ...).

Front

How do you identify rational numbers?

Back

Rational numbers can be identified as numbers that can be written as a fraction or a decimal that terminates or repeats. Examples include 0.75 (3/4) and -2 (which can be written as -2/1).

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction. For example, 2 ½ is a mixed number.