Using your Brain

Multiplication

100

3 x 2  x 5  x 4=

120

200

2 x 2  x 5  x 4=

80

300

3 x 2  x 4 x 4=

96

400

3 x 2  x 2  x 4=

48

500

3 x 2  x 5  x 10=

300

Order of Operations

100

2 + 3(4-3) =

5

200

2 + 4(5-3) =

10

300

2 + 3(4+3) =

23

400

2 + 3(14-3) =

35

500

3 - 3(4-3) =

0

Mixed Bag

100

2⁰ x 8⁰ =

1

200

2 + 3(2³-2²) =

14

300

2 + 2(2³-2²) =

10

400

2 - 3(2³-2²) =

-10

500

-2 - 3(2³-2²) =

-14

Negative Exponents

100

3^-4 x 3^-3  =

1/3⁷

200

3^-4 x 3^-3  =

1/3

300

2^-4 x 2³  =

1/2

400

3u^-3 x 4u³ =

12

500

7^-4 x 7³  =

1/7

I will crush you

100

12⁰ x 12^{2 =}

144

200

12⁰ x 12² x 12^-1 =

12

300

5^{0 x} x 5¹ x 5^-2 x 5^{1 =}

1

400

23⁰ x 23^-1 x 23^{2 =}

23

500

[6² x 6^-3 x 2² x 3¹] - 2

0