Formula/Rap
Place Value
Multiplication
Division
Fractions
100

The formula for area

What is length times width?

100

Ten multiplied by Ten

What is 100?

100

The rap for multiplying by 10

What is "When multiplying by 10, you put a zero on the end"

100

20 divided by 2

What is 10

100

Name a fraction that's equivalent to 1/2

Answer will vary

200
The formula for volume

What is length times width times height?

                     or 

What is base times height?

200

Ten multiplied by 500

What is 5,000?

200

200 multiplied by 20

What is 4,000?

200

800 divided by 20

What is 40?

200

Another term for fraction bar

What is vinculum?

300

The trick for rounding

What is "5 or more, raise the score; 4 or less, let it rest" ? 

300

Ten multiplied by 1,000

What is 10,000?

300

25 times 5

What is 125?

300

1250 divided by 10

What is 125?
300

Another term for reduce

What is simplify?

400

The trick for simplifying fractions

What is "what you do to the bottom, you do to the top"?

400

Ten divided by 100

What is one tenth?

400

What comes next...20, 40, 60, 80

What is 100?

400

350 divided by 5

What is 70?

400

2/3 plus 6/3 is...

What is 8/3 or 2 and 2/3

500

The exponent used for 3-dimensional shapes

What is cubed?

500

Ten divided by 1,000

What is one hundredth?

500

20 times 40

What is 800

500

980 divided by 49

What is 20?

500

The term for the number at the bottom of the fraction

What is denominator?