Grade 6 Mathematics · Strand 1: Numbers · Inequalities
Forming Inequalities with Multiplication and Division
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.
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5 questions from this lesson’s quiz. Start the lesson to answer them and see the right answers.
1. Farmer Juma packs maize into identical sacks of mass m kg each. Three sacks together weigh more than 12 kg. Which inequality shows this?
- A. m + 3 > 12
- B. 3m > 12
- C. \frac{m}{3} > 12
- D. 3m < 12
2. A tank holds w litres of water. It is shared equally among 3 plots, and each plot gets less than 50 litres. Which inequality models this?
- A. 3w < 50
- B. \frac{3}{w} < 50
- C. \frac{w}{3} > 50
- D. \frac{w}{3} < 50
3. In the inequality 5a > 35, what is the number 5 called?
Type your answer in the lesson.
4. A tea picker fills 4 identical sacks, each weighing p kg. The total weight is less than 28 kg. Which inequality models this, and what whole number of kilograms is the greatest possible value of p?
- A. 4p < 28; p can be at most 6
- B. 4p < 28; p can be at most 7
- C. p + 4 < 28; p can be at most 23
- D. \frac{p}{4} < 28; p can be at most 111
5. Eight packets of beans, each of mass p kg, weigh more than 16 kg altogether, so 8p > 16. What is the smallest whole number of kilograms that p could be?
Type your answer (in kg) in the lesson.
More in Inequalities
- Mastery of Decimals
- Introduction to Inequality Symbols and Meaning
- Real Life Inequalities
- Forming Inequalities with Addition and Subtraction
- Simplifying Inequalities by Collecting Like Terms
- Solving Addition and Subtraction Inequalities
- Multiplication and Division Inequalities
- Solving and Applying Real Life Inequalities
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