Semester Review 1: 1.1 - 1.4

Front

What is the absolute value of |x|?

Back

The absolute value of a number x is its distance from 0 on the number line, regardless of direction. For example, |8| = 8 and |-8| = 8.

Tags

CCSS.6.NS.C.7C

Front

What is the opposite of a number?

Back

The opposite of a number x is -x. For example, the opposite of 67 is -67.

Tags

CCSS.6.NS.C.6A

Front

Evaluate the expression: 3 + 4.

Back

The result is 7.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the value of 2^4?

Back

2^4 = 16.

Tags

CCSS.6.EE.A.1

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting variables with numbers.

Tags

CCSS.6.EE.A.2C

Front

What is the definition of an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Tags

CCSS.8.NS.A.1

Front

What is the formula for finding the absolute value of a number?

Back

The absolute value of a number x is defined as: |x| = x if x >= 0, and |x| = -x if x < 0.

Tags

CCSS.6.NS.C.7C

Front

If x = 5, what is the value of x + 7?

Back

If x = 5, then x + 7 = 12.

Tags

CCSS.6.EE.A.2C

Front

What is the result of | -4 | + | -1 |?

Back

The result is 5, since |-4| = 4 and |-1| = 1.

Tags

CCSS.6.NS.C.7C

Front

What is the definition of a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Tags

CCSS.5.NBT.A.2