Making expressions

Making Expressions

We have talked about how to solve expressions, but can you make one?

Review the following Vocabulary

• Sum: the answer to an addition problem

• Difference: the answer to a subtraction problem

• Product: the answer to a multiplication problem

• Quotient : the answer to a division problem

Multiple Choice

What is the answer to a multiplication problem?

• product

• quotient

• sum

• difference

Multiple Choice

What is the answer to a subtraction problem?

• product

• quotient

• sum

• difference

Multiple Choice

What is the answer to a division problem?

• product

• quotient

• sum

• difference

Multiple Choice

What is the answer to an addition problem?

• product

• quotient

• sum

• difference

Multiple Select

Which words relate to addition? Select 2

• sum

• subtract

• plus

• times

• minus

Multiple Select

Which words relate to SUBTRACTION? Select 3

• sum

• difference

• less than

• times

• minus

Multiple Select

Which words relate to MULTIPLICATION? Select 3.

• product

• difference

• less than

• times

• plus

Multiple Select

Which words relate to DIVISION? Select all 2.

• product

• divided by

• less than

• quotient

• subtract

Now let's try to write an expression! Here is the expression in word form:

two plus eleven minus three

The expression is: 2+11 -3

Multiple Choice

Your Turn:

six plus one times nine

• 6+(1x9)

• 6+1x9

Multiple Choice

Your Turn:

forty-five minus five times eight

• 45-5x8

• 8x45+5

Multiple Choice

Your Turn:

eight times three plus nine minus two

• 8x3+9-2

• 80x3+9

Multiple Choice

Your Turn:

twenty-six minus eleven times two

• 11x2-26

• 26-11x2

When an expression has: sum of, difference of, product of, quotient of

Use parentheses ( ) to show that operation

For Example:

the difference of ten and three times two

The expression is: (10-3) x 2

**We have to use parentheses to show first the "difference of 10 and 3"......

10-3x2 is ten minus 3 times 2

Here is another example:

two times the sum of eight and six

The expression is: 2x (8+6)

**We have to use parentheses to show "the sum of eight and six"......

2x8+6 is two times eight plus six

Multiple Choice

Your Turn:

the sum of eight and two times four

• 8+2x4

• (8+2)x4

• 8+(2x4)

Multiple Choice

Your Turn:

fifty divided by the difference of fifteen and ten

The / slash means to divide.

• 50/ (15-10)

• 50/15-10

• (15-10)/ 50

Multiple Choice

Your Turn:

the product of four and nine minus eleven

• 4x(9-11)

• 4x9-11

• (4x9) -11

Multiple Choice

Your Turn:

the sum of eight and two times four

• 8+2x4

• (8+2)x4

• 8+(2x4)