The Basic Operations

In basic mathematics there are many ways of saying the same thing:

Symbol Words Used

+ Addition, Add, Sum, Plus, Increase, Total

- Subtraction, Subtract, Minus, Less, Difference, Decrease, Take Away, Deduct

× Multiplication, Multiply, Product, By, Times, Lots Of

÷ Division, Divide, Quotient, Goes Into, How Many Times

The numbers to be added

together are called the

"Addends":

Addition is ...... bringing two or more numbers (or things) together to make a new total.

Minuend - Subtrahend = Difference

Minuend: The number that is to be subtracted from.

Subtrahend: The number that is to be subtracted.

Difference: The result of subtracting one number from another.

Subtraction is ...... taking one number away from another.

Subtraction is ...

Here we see that 6+6+6 (three 6s) make 18

It could also be said that 3+3+3+3+3+3 (six 3s)

make 18

Multiplication is ..... (in its simplest form) repeated addition.

But you can also multiply by fractions or decimals, which goes beyond the simple idea of repeated addition:Example: 3.5 × 5 = 17.5 which is 3.5 lots of 5, or 5 lots of 3.5

Division is ...... splitting into equal parts or groups. It is the result of "fair sharing".

Division has its own special words to remember. Let's take the simple problem of dividing 22 by 5. The answer is 4, with 2 left

over. Here we illustrate the important words:

Which is the

same as:

Math Poems 

 Money Poem

Penny, penny, easy spent,Copper brown and worth one cent.

Nickel, nickel, thick and fat,You’re worth 5. I know that.

Dime, dime, little and thin,I remember—you’re worth 10.

Quarter, quarter, big and bold,You’re worth 25, I am told.

Half a dollar, half a dollar,Giant size.

50 cents to buy some fries.

Dollar, dollar, green and long,With 100 cents you can’t go wrong.

 

An abacus is an apparatus used for counting. It is made of rods and beads.

Did you Know . . .

Fibonacci Numbers- each number is the sum of the two numbers before it