Math

PEMDAS

100

What does PEMDAS stand for? 

Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction 

200

3 x 9 + 7=

34

300

Solve:

2 x (3 + 2) + 10=

20

400

Solve:

(67-18) / 7 x 3 =

21

500

Solve:

5 x 3 + (10 x 4) - 12=

43

Fractions

100

True or False

Step 1: Make sure the denominators (bottom #'s) are the same when adding and subtracting.   

True

200

Solve:

5/9 + 2/9 =

7/9

300

Solve:

4/12 + 6/24 =

14/24 or 7/12  

400

Solve: 

16 9/15 + 5 2/15 =

21  11/15

500

Solve:

3 3/5 + 6 6/15 =

10

Multiply

100

Multiply

7 x 8

56

200

Multiply:

47 x 9

423

300

Multiply:

234 x 5

1,170

400

Multiply:

65 x 10

650

500

Multiply:

22 x 14

308

Division

100

Divide:

30/5

6

200

Divide:

132/11

12

300

Divide:

192/8

24

400

Divide:

3,552/8

444

500

Divide:

6,920/4

1,730

Random

100

Find missing number:

9, 13, ?, 21

17

increasing by 4

200

Find median...

9, 10, 15, 24, 24

15

(middle number)

300

Simplify:

6/72

1/12

400

Simplify: 

24/108

2/9

500

Solve:

11 13/23  -  7  9/23 

4 4/23