Understanding Word Problems (+/-)

Front

What is the total when you add 5 and 2?

Back

The total is 7.

Front

What do you call the result of adding two numbers together?

Back

Sum.

Front

If you have 9 kids and each gets 5 uniforms, how do you find the total number of uniforms needed?

Back

You multiply: 9 x 5 = 45 uniforms.

Front

If Josh had $15.00 and spent $8.50, $3.50, and $1.75, how do you find out how much he has left?

Back

You subtract: $15.00 - ($8.50 + $3.50 + $1.75) = $1.25 left.

Front

What is the operation used to find the total length when you tape two strips of paper measuring 15cm and 9cm together?

Back

You add: 15cm + 9cm = 24cm.

Front

What is the difference between addition and subtraction?

Back

Addition combines numbers to find a total, while subtraction finds the difference between numbers.

Front

What is the mathematical symbol for addition?

Back

The symbol for addition is +.

Front

What is the mathematical symbol for subtraction?

Back

The symbol for subtraction is -.

Front

What is the mathematical operation used to find how many times one number is contained in another?

Back

That operation is called multiplication.

Front

If you have 20 apples and give away 5, how do you find out how many you have left?

Back

You subtract: 20 - 5 = 15 apples left.