7th-8th Grade Math

Breaking Numbers down

100

Break down 50 to its prime factorization.

What is:

2x5x5

200

Break down 48 to its prime factorization.

What is:

2x2x2x2x3

300

Break down 81 to its prime factorization.

What is:

3x3x3x3

400

Break down 170 to its prime factorization.

What is:

2x5x17

500

Break down 180 to its prime factorization.

What is:

2x2x3x3x5

Integers: +, -

100

21+(-10)=

What is:

11

200

-13+15=

What is:

2

300

12-(-4)=

What is: 

16

400

-90+(-9)=

What is:

-99

500

-19-(-13)=

What is:

-6

Reducing Fractions

100

Reduce this Fraction:

4/6

What is:

2/3

200

Reduce this fraction:

3/6

What is:

1/2

300

Reduce this fraction:

5/15

What is:

1/3

400

Reduce this fraction:

6/8

What is:

3/4

500

Reduce this fraction:

10/100

What is:

1/10

Money

100

Jackie has $36.00. She goes to the store and buys a case of water for $5.00. How much does she have after her purchase?

What is:

$31.00

200

Ben earns a $12.00 for one hour. How much will he earn if he works for 8 hours?

What is:

$96.00

300

Michael has $78.00 and needs to buy 13 packs of baseball cards. How much will each pack of baseball cards cost?

What is:

$6.00 per pack

400

If you have a job that pays you $15.00 per hour and you work 9 hours per day:

1. How much money will you make each day?

2. How much money will you have at the end of a five day week (Mon-Fri)?

What is:

$135/day 

$675/week

500

You earn $245 per week (Mon-Fri), how much money do you make each day?

What is:

$49/day

Integers:x, /

100

10x-3=

What is:

-30

200

-15/5=

-3

300

-120/-6=

What is:

20

400

-5x-13=

What is:

65

500

12/-12=

-1