ACT Math Practice

Front

What is the algebraic expression for 'the sum of n and 9'?

Back

n + 9

Tags

CCSS.6.EE.A.2A

Front

What is the sum of -7 and 5?

Back

-2

Tags

CCSS.7.NS.A.1C

Front

If n = 8 and 16· 2⁻⁸ = 4, then what is m?

Back

-4

Front

What is the value of |-5| + |2|?

Back

7

Tags

CCSS.6.NS.C.7C

Front

A circle has a circumference of 16π feet. What is the radius of the circle?

Back

8

Tags

CCSS.7.G.B.4

Front

What is the definition of an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Tags

CCSS.6.EE.A.2B

Front

What is the formula for the circumference of a circle?

Back

C = 2πr, where r is the radius.

Tags

CCSS.7.G.B.4

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Tags

CCSS.6.NS.C.7C

Front

What is the process to solve for n in the equation 2n + 3 = 11?

Back

Subtract 3 from both sides to get 2n = 8, then divide by 2 to find n = 4.

Tags

CCSS.7.EE.B.4A

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value.

Tags

CCSS.6.EE.A.2B