DS Math 1

Distribute

100

-5(3x-7)

-15x+35

200

-(-6+8x)

6-8x

300

4(6x-2)+9

24x+1

400

3(1+4x)-3(5x+4)

-9-3x

500

-10(2v+10)-4(v-7)

-24v-72

CLT

100

6a+8 - 2a+5

4a+13

200

-4x+5-(-9x)-12

5x-7

300

-2x-(-5x)+(-7)+6x-8

9x-15

400

-4x²-6x+9+(-x)+6x²-10

2x²-7x-1

500

-9x⁴+5x²+7x⁴-7+(-3x²)-5x-(-7)

-2x⁴2x²-5x

Statistics

100

Find the mode of: 7, 12, 15, 18, 19, 3, 4, 17, 4, 9

4

200

Find the range: 17, 22, 15, 58, 19, 13, 34, 37, 24, 9

49

300

Find the Median: 17, 22, 15, 58, 19, 13, 34, 37, 24, 

22

400

Find the median: 34, 23, 72, 35, 23, 57, 11, 46, 12, 46, 13, 63

34.5

500

Find the mean: 45, 23, 42, 35, 13, 51, 57, 23, 51, 63

40.3

Order of Operations

100

12 ➗ (6-3)

4

200

12 ➗ 2 - 2²

2

300

3x2+(18➗6)²

15

400

(6-4)x3-15➗5

3

500

6+(6-4)➗((5-4)x2)

7

Fractions

100

1/4 x 5/6

5/24

200

2/3 ➗ 6/7

1

300

5/8 - 1/2

1/8

400

2/5 + 3/8

31/40

500

1/7 + 2 1/2

2   9/14