Brain Quest Math

4th Grade Math

100

The greater fraction:  3/8  5/9  1/2

5/9

200

256 - 189

67

300

1,235 + 648

1,883

400

2 x _____ = 676

338

500

Factors of both 12 and 48

1, 2, 3, 4, 6, 12

5th Grade Math

100

The greater decimal between 2.7 or 2.680

2.7

200

5.97 x 4

23.88

300

6/10 x 7/10

42/100 (or 21/50 if simplified)

400

46.5 - 14.42

32.08

500

15 x (7 + 45)

780

6th Grade Math

100

12 • x = 24

2

200

48 ÷ (2+4) • 2

16

300

If n³ = 64, n = ?

4

400

Simplify this equation:  4(3x+5)

12x +20

500

Simplify this equation:  3x + 5+ 4x + x + 3 

8x + 8

7th Grade Math

100

4 - 5

-1

200

6 + 3 - 12

-3

300

Simplify this equation:  4(2x - 6)

8x - 24

400

2x + 5 = 19 Solve for x.

x = 7

500

4x + 5 > 9 Solve the inequality.

x > 1

8th Grade Math

100

6² x (2 + 3) 

180

200

Write 4,500,000 in scientific notation. 

4.5 x 10⁶

300

4x -5 + 2x - 6 = - 53 Enter the value of x that makes the equation true.

x = -7

400

2y + 4z = 2x

3x - 2y = 10z

___z = 1x

6z

500

12 - 2n = 5n - 9

n = 3