Common Core: 7th Grade Math : Expressions & Equations
Study concepts, example questions & explanations for Common Core: 7th Grade Math
All Common Core: 7th Grade Math Resources
Example Questions
Example Question #16 : Solve Word Problems Leading To Inequalities: Ccss.Math.Content.7.Ee.B.4b
Write the inequality: One less than twice the difference of five and twice a number is less than four.
In order to write this inequality, we need to break up the statement into parts.
Let the number be a random variable.
The difference of five and twice a number:
Twice the difference of five and twice a number:
One less than twice the difference of five and twice a number:
Is less than four:
Combine the terms.
The answer is:
Example Question #603 : Grade 7
Write the following inequality: Five times a number less than five is less than negative five.
Convert each part of the sentence into mathematical expressions. Let a random variable be the number.
Five times a number:
Five times a number less than five:
Is less than negative five:
Combine the expressions.
The answer is:
Example Question #18 : Solve Word Problems Leading To Inequalities: Ccss.Math.Content.7.Ee.B.4b
Write the inequality: Two less than eight times a number is at least seven.
Let a number be 
Eight times a number:
Two less than eight times a number:
Is at least seven:
Combine the terms.
The answer is:
Example Question #19 : Solve Word Problems Leading To Inequalities: Ccss.Math.Content.7.Ee.B.4b
Write the inequality: Eight more than two times a number is more than two.
Split the problem statement into parts.
Two times a number:
Eight more than two times a number:
Is more than two:
Combine the terms to make an equation.
The answer is:
Example Question #12 : Solve Word Problems Leading To Inequalities: Ccss.Math.Content.7.Ee.B.4b
Write the inequality: Seven more than a number is less than five.
Split the statement into parts.
Seven more than a number:
Is less than five:
Combine both parts to form an inequality.
The answer is:
Example Question #605 : Grade 7
Write the inequality: Four less than half a number is less than six.
Break up the sentence into parts.
Half a number:
Four less than half a number:
Is less than six:
Combine the terms to form the inequality.
The answer is:
Example Question #31 : Writing Inequalities
Write the inequality: Two less than twice a number is less than a half.
Break up the sentence into parts. Use a variable for the number.
Twice a number:
Two less than twice a number: 
Is less than a half:
Combine the terms.
The answer is:
Example Question #21 : Solve Word Problems Leading To Inequalities: Ccss.Math.Content.7.Ee.B.4b
Write the inequality: A number squared less than seven is at least eight.
Break up the sentence into parts.
A number squared:
A number squared less than seven:
At least eight:
Combine the terms.
The answer is:
Example Question #31 : Linear Inequalities
Write the inequality: Five less than two times a number is no more than four.
Split the sentence into parts.
Two times a number:
Five less than two times a number:
Is no more than four:
Combine the parts.
The answer is:
Example Question #611 : Grade 7
Write the inequality: Four less than three times a number is less than four.
Split the sentence into parts.
Three times a number:
Four less than three times a number:
Is less than four:
Combine the parts.
The answer is:
All Common Core: 7th Grade Math Resources
