Writing One Step Equations Skills Check - BLUE

Front

What does 'less than' mean in an equation?

Back

'Less than' indicates subtraction. For example, 'a number less than 15' can be represented as n - 15.

Front

How do you represent 'increased by' in an equation?

Back

'Increased by' indicates addition. For example, '25 increased by a number' can be represented as 25 + n.

Front

What is the equation for 'the sum of a number and 23 is 30'?

Back

n + 23 = 30.

Front

How do you solve the equation n - 15 = 60?

Back

Add 15 to both sides: n = 60 + 15, so n = 75.

Front

What does 'altogether' indicate in a word problem?

Back

'Altogether' suggests that you should add amounts together to find a total.

Front

What is the equation for 'John had $45 and spent an unknown amount p, leaving him with $13'?

Back

45 - p = 13.

Front

How do you represent 'the total cost of items' in an equation?

Back

The total cost can be represented as the sum of individual costs, e.g., total = cost1 + cost2 + ... + costN.

Front

What does 'spent' mean in a word problem?

Back

'Spent' indicates that an amount is being subtracted from a total.

Front

How do you write an equation for 'a number is 60 less than 15'?

Back

n = 15 - 60.

Front

What is the solution to the equation 25 + n = 92?

Back

Subtract 25 from both sides: n = 92 - 25, so n = 67.