Book 1 Mastery Check

1. Compute: -8 + 3

-5 5 -11

2. Compute using order of operations: 6 + 4 × 3

30 18 24

3. Simplify: 5x - 2x + 7

3x + 7 7x + 7 3x - 7

4. Solve: 2x + 3 = 11

x = 7 x = 4 x = 14

5. A triangle has angles 50° and 90°. What is the third angle?

40° 50° 140°

6. A rectangle is 15 cm long and 4 cm wide. Find the perimeter.

60 cm 38 cm 19 cm

7. Find the mean of 6, 8, and 10.

7 8 9

8. A box has 4 green, 1 red, and 5 yellow candies. What is the probability of choosing yellow?

5/10 or 0.5 4/10 or 0.4 1/10 or 0.1

9. Simplify: x⁴ ÷ x²

x⁶ x² x⁴

10. If g(x) = 3x - 1, find g(5).

14 15 10

11. Convert 2500 milligrams to grams.

2.5 grams 25 grams 0.25 grams

12. A jogger runs at 5 mph for 3 hours. Find the distance.

8 miles 15 miles 10 miles