Penny

What’s this coin?

It’s penny.

This side is called head or obverse.

It shows the head of Abraham Lincoln. One of presidents of America.

What’s the value of penny?

One penny is one cent.

This side is called tail or reverse.

The United States one-cent coin, often called penny, is a unit of currency equaling one-hundredth of a United States dollar. The cent's symbol is ¢.

Nickel

What’s this coin?

It’s nickel.

This side is called head.

It shows the head of Thomas Jefferson ,president of of America.

This side is called tail or reverse.

A nickel, in American usage, is a five-cent coin struck by the United States Mint.

dime

What’s this coin?

This is the head of American dime.

It shows the head of Franklin D. Roosevelt. The president of America.

This is the reverse of dime.

The dime, in U.S. usage, is a ten-cent coin, one tenth of a United States dollar, labeled formally as "one dime".

quarter

This is quarter. It shows the head of president George Washington.

The quarter, short for quarter dollar, is a United States coin worth 25 cents, one-fourth of a dollar.

half dollar coin

What’s this coin?

It’s half dollar coin.

This side is head.

It shows the head of President John F. Kennedy. 

This side is tail.

It shows the Seal of the President of the United States.

The United States half dollar coin, sometimes referred to as the fifty-cent piece, is a United States coin worth 50 cents, one-half of a dollar.

The dollar coin is a United States coin worth one United States dollar.

Most Americans currently use the one-dollar bill rather than dollar coins.

This is one dollar bill?

What does the obverse look like?

What does the reverse look like?

The United States one-dollar bill ($1) is a denomination of United States currency. The first U.S. President (1789–97), George Washington, painted by Gilbert Stuart, is currently featured on the obverse (front), and the Great Seal of the United States is featured on the reverse (back)

The United States five-dollar bill ($5) is a denomination of United States currency.

Abraham Lincoln's portrait on the front and the Lincoln Memorial on the back.

The United States ten-dollar bill ($10) is a denomination of U.S. currency. The obverse of the bill features the portrait of Alexander Hamilton, who served as the first U.S. Secretary of the Treasury. The reverse features the U.S. Treasury Building.

What is the total value of these coins?

The total value of these coins is 94 cents.