Entering Pre-Algebra

Sets

100

Is A c B? {12345} = A {135} = B

Yes because all of the numbers in B are in A

200

Are A and B equivalent sets? {2468}=A {1357}=B

Yes because both sets have the same amount of members.

300

Find A U B {12345}=A {6789}=B

{123456789}

400

Find A intersection C {124576}=A {348}

{4}

500

Find A U B {1234567810}=A {1324589}=B

{12345678910}

Integers

100

4-7

-3

200

5+-1+7+-3

8

300

7-8

1

400

-6x7

-42

500

-36/-6

6

Postive and Negative Fractions/Decimals

100

-3/7+4/7

1/7

200

1/2+-5/6

-1/3

300

7.36--6.78

14.14

400

8.7x-6.7

-58.29

500

-5.2-7.61

-12.81

Scientific Notation

100

372,000,000,000,000,000 Please write this number in scientific notation.

3.72 x 10 to the 17th power

200

489,000 Please write this number in scientific notation.

4.89x10 to the 5th power

300

.000000000000345 Please write this in scientific notation

3.45x10 to the -13th power

400

7.89x10 to the 8th power. Please write this as a conventional number.

789,000,000

500

1.24x10 to the 11th power please write this as a conventional number.

124,000,000,000

Finding GCFs

100

Find the GCF of 32 and 20.

4

200

Find the GCF of 24 and 30.

6

300

Find the GCF of 100 and 150.

50

400

Find the GCF of 32 and 24.

8

500

Find the GCF of 60 and 48.

12