Math Maintenance Lesson 87

On a horizontal number line, a number is less than another if it is located to the left of it. Which integer in the answer box is farthest to the left (smallest?)

• -2

• 7

• 0

• -8

 $540\ \div\ 32$  

• 16 r 28

• 17 r 16

• 16 

What operations are used in the expression 5s(2s + 4)?

• Addition and Multiplication

• Subtraction and Multiplication

• Addition and Division

2.3 x 1.7 = ?

• 391

• 3.19

• 3.91

What is the opposite of -15?

• 15

• -15

Write an equivalent expression for

a + a + b

• 2a + b

• 2b + a

Simplify the expression by combining like terms:

12s + 6 + 34t - 5s

• 7s + 6 + 34t

• 17s + 6 + 34t

• 23s + 34t

On Monday, the temperature is 0 degrees. On Tuesday it is 2 degrees colder. What is the temperature on Tuesday?

• -2

• 2

The dot plot shows the number of quiz items answered correctly. Each dot represents one score. Give the number of students represented and the mean score.

• 7 students

  Mean: 8

• 8 students

  Mean: 7

• 7 students

  Mean: 56