6th Grade - 1/19/2017

Order of Operations

100

What is the abbreviation for the order of operations?

GEMDAS -  Grouping Symbols >Exponents> Multiplication/Division> Addition/Subtraction

PEMDAS -  Parenthesis >Exponents> Multiplication/Division> Addition/Subtraction

200

6 - 9 ÷ 3 What should you do first? 6 - 9 or 9 ÷ 3?

9 ÷ 3

300

Solve: 6 - 9 ÷ 3

3

400

Solve: 14 + (8 - 7) x 3^2

23

500

22 ÷ 2 x 2^2

44

Exponents (rewrite with an exponent)

100

3x3 = ___

3^2

200

5x5x5x5

5^4

300

7x7x7x7x7x7x7x7

7^8

400

2x2x2x3

2^3 x 3

500

8

8^1

Perfect Squares (NO CALCULATOR)

100

4^2

16

200

7^2

49

300

9^2

81

400

11^2

121

500

12^2

144

Exponents (solve)

100

2^6

64

200

4^5

1024

300

7^3

343

400

2^4*4^3

1,024

500

(0.5)^3

0.125

Variables

100

Evaluate if    x = 3,  the expression 6x

18

200

Evaluate if   y = 11 ,   the expression 2y - 1

21

300

Evaluate if w = 5, the expression  4 + 20 ÷ w

8

400

Evaluate if k = 6, the expression 10 * k^2

360

500

Evaluate if b = 3,  the expression 10 - (22 + 3) ÷ 5 + b^2

14