Writing, reading, and evaluating algebraic expressions

Which of the following is an equation?

• 3x

• 2x + 1 = 7

• 45 x 8

• z + 3z + 4

There are x students in John H Walker Middle School. 12 students are absent. If all the students are split into 6 different groups, how many students are in each group?

• 6(x-12)

• $\frac{x-12}{6}$

• $x-12\div6$

• 12-6x

The answer in a division problem

• remainder
• quotient
• dividend
• divisor

• Eight less than twice a number
• A number squared less than eight
• Twice a number less than eight
• Eight less than a number squared

Write a word phrase:

2a+6

• 6 more than the product of 2 and a number

• 6 less than the product of 2 and a number

• 6 more than the quotient of 2 and a

Which words could be use to describe the expression

ab + 3

• add, subtract and multiply

• plus, times, product

• product, quotient, sum

• increased by, less, times

10,000 more than 45,218

Write the following situation as an algebraic expression: six times the total of 2 and 3

• 6(2 + 3)

• 6(2)(3)

• 6(2 - 3)

• 6 / (2 + 3)

________ is 20 more than 7903.

Which expression represents the sum of 42 and 36?

• 2 (21 + 12)

• 3 (14 + 6)

• 6 (7 + 6)

• 9 (5 + 4)