Writing Equations

Front

What is the equation to find change received when paying for an item?

Back

If an item costs $30.98 and you pay $40, the equation is: 30.98 + c = 40, where c is the change.

Tags

CCSS.HSA.CED.A.3

Front

How do you express 'eleven more than one third of a number' in an equation?

Back

The equation is: 1/3x + 11 = -1.

Front

What is the formula for the perimeter of a rectangle?

Back

The perimeter P is given by P = 2w + 2h, where w is width and h is height.

Tags

CCSS.8.EE.C.7B

Front

What does the term 'is' mean in mathematical equations?

Back

The term 'is' represents equality, denoted by the symbol =.

Front

How can you find out how many hours you need to work to buy an item?

Back

If an item costs $115 and you have saved $40, the equation is: 40 + 7.50x = 115, where x is the number of hours.

Tags

CCSS.7.EE.B.4A

Front

What does the term 'equal' signify in an equation?

Back

The term 'equal' signifies that two expressions have the same value, represented by the symbol =.

Tags

CCSS.HSA.REI.A.1

Front

How do you set up an equation for a total cost problem?

Back

Total cost = amount paid + change, e.g., 30.98 + c = total amount given.

Tags

CCSS.HSA.CED.A.3

Front

What is the first step in solving an equation?

Back

The first step is to isolate the variable on one side of the equation.

Tags

CCSS.7.EE.B.4A

Front

What does 'the same as' indicate in mathematical terms?

Back

'The same as' indicates equality, represented by the symbol =.

Front

How do you express a relationship between a number and its operations?

Back

You can express relationships using equations, e.g., x + 5 = 10.

Tags

CCSS.6.EE.B.5