13 terms

One

All numbers are divisible by it.

Two

Even numbers are divisble by it.

Three

Add up all the digits and divide it by the number on the otherside of this card. This rule applies for another number too!

Four

There isn't a rule for this number. Get busy doing long-hand division!!

Five

Numbers ending in 0 or 5 are divisible by it.

Six

If your number is divisible by two AND three, then it'll be divisible by this number also.

Seven

There isn't a rule for this number. Get busy doing long-hand division!!

Eight

There isn't a rule for this number. Get busy doing long-hand division!!

Nine

Add up all the digits and divide it by the number on the other side of this card. This rule applies for another number too!

Ten

If the number ends in 0, then this number will go into it.

How to convert a decimal into a percent

Multiply the decimal by 100 and insert the percent sign.

how to convert a fraction into a decimal

Divide the denominator into the numerator.

How to change a decimal into a fraction

Put the decimal in the numerator position and make the denomenator a 10,100, or 1,000.