AASA 7th Grade Math 2

Question 1

What is the value of −8 + (−5) − (−3)?

Accepted Answer

−10

Answer

−8 + (−5) = −13. Then −13 − (−3) = −13 + 3 = −10.

Question 2

A shirt originally costs $40. It is on sale for 25% off. What is the sale price?

Accepted Answer

$30

Answer

25% of $40 = 0.25 × 40 = $10 discount. Sale price = $40 − $10 = $30.

Question 3

Two angles are supplementary. One angle measures 65°. What is the measure of the other angle?

Accepted Answer

115°

Answer

Supplementary angles sum to 180°. The other angle = 180° − 65° = 115°.

Question 4

Solve for x: 3x − 7 = 14

Accepted Answer

7

Answer

Add 7 to both sides: 3x = 21. Divide by 3: x = 7.

Question 5

A circle has a diameter of 10 inches. What is its circumference? (Use π ≈ 3.14)

Accepted Answer

31.4 inches

Answer

Circumference = π × diameter = 3.14 × 10 = 31.4 inches.

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