Grade 6 Mathematics · Strand 1: Numbers · Inequalities
Forming Inequalities with Addition and Subtraction
A short Grade 6 Mathematics lesson for the CBE curriculum, part of Numbers: Inequalities. Learn it on any phone with notes and slides, then check yourself with a quick quiz and earn XP. This lesson is free.
Try these questions
5 questions from this lesson’s quiz. Start the lesson to answer them and see the right answers.
1. Amina has m mangoes. Her uncle gives her 4 more mangoes. She now has fewer than 10 mangoes in total. Which inequality shows this?
- A. m + 4 < 10
- B. m - 4 < 10
- C. m + 4 > 10
- D. m - 4 > 10
2. Kofi harvested k sacks of maize. He donated 6 sacks to the grain bank. He now has fewer than 15 sacks left. Which inequality represents this?
- A. k + 6 < 15
- B. k - 6 > 15
- C. k - 6 < 15
- D. 6 - k < 15
3. Wanjiku has p pencils. She gives away 3 pencils and now has more than 10 pencils left. Otieno wrote p + 3 > 10. What was his mistake?
- A. He should have used the symbol < instead of >.
- B. He added 3 when giving away means subtracting 3.
- C. He should have written 10 + 3 > p.
- D. He wrote the letter p instead of a number.
4. The inequality x + 4 < 10 describes a basket where x is the starting number of mangoes and 4 more are added. What is the largest whole number value of x that makes this inequality true?
Type your answer in the lesson.
5. What do we call a mathematical phrase made of numbers, variables and operation symbols but with no relation sign, such as x + 4?
Type your answer in the lesson.
More in Inequalities
Ready for Forming Inequalities with Addition and Subtraction?
Create a free account to open the lesson, take the quiz and track your progress.