GRADE 8- QUARTER 1

What is the median of the following data set: 12, 15, 10, 8, 20

• 10

• 12

• 15

• 20

Which measure of central tendency is most affected by an extremely high or low value?

• Mean

• Median

• Mode

• Range

What is the mode of these scores: 80, 85, 90, 85, 95

• 80

• 85

• 90

• 95

The average score of Maria in five quizzes is 88. What is the sume of her five quiz scores?

• 440

• 488

• 408

• 400

Which expression represents "twice a number decreased by five"?

• 2x+5

• 2x-5

• x-5

• 5-2x

If you buy x notebooks at 15 pesos each and y pencils at 5 pesos each, what expression represents the total cost?

• 15+5

• x +y

• 15x +5y

• 5x+15y

What is the result of (3x+5x)

• 15x

• 8

• 8x

• 3

Simplify: (7a-2a)

• 5

• 5a

• 9a

• -5a

Add: (4m+2n) + (3m+6n)

• 7m+8n

• 12m+8n

• 7m+12n

• 4mn+6n

Subtract: (10x-3x)

• 7x
• 8x
• 10x
• 6x