STAAR Grade 6: Math 2

Question 1

What is the value of x in the equation 3x + 5 = 20?

Accepted Answer

5

Answer

Subtract 5 from both sides to get 3x = 15, then divide both sides by 3 to get x = 5.

Question 2

A triangle has a base of 10 cm and a height of 6 cm. What is its area?

Accepted Answer

30 sq cm

Answer

Area of a triangle = ½ × base × height = ½ × 10 × 6 = 30 square centimeters.

Question 3

Which of the following is equivalent to 40%?

Accepted Answer

2/5

Answer

40% = 40/100 = 2/5 when simplified by dividing both numerator and denominator by 20.

Question 4

On a number line, which point represents -3?

Accepted Answer

A point 3 units to the left of zero

Answer

Negative numbers are located to the left of zero on a number line; -3 is 3 units to the left of zero.

Question 5

A recipe calls for 2/3 cup of sugar. If you want to make 3 batches, how much sugar do you need?

Accepted Answer

2 cups

Answer

2/3 × 3 = 6/3 = 2 cups of sugar.

STAAR Practice Test