Mathematics Grade 7 15 min

Add, subtract, multiply, or divide two decimals: word problems

Add, subtract, multiply, or divide two decimals: word problems

What you'll learn

  • Construct a graphical representation of a discrete probability distribution, given a probability mass function (PMF), with 100% accuracy.
  • Identify and justify whether a given graph accurately represents a discrete probability distribution by verifying that all probabilities are between 0 and 1 inclusive and sum to 1, in at least 3 out of 4 examples.
  • Interpret a graph of a discrete probability distribution to determine the probability of a specific event or range of events, demonstrating correct interpretation in at least 80% of cases.
  • Compare and contrast different graphical representations of discrete probability distributions, such as histograms and line graphs, and explain the advantages and disadvantages of each for different datasets, with supporting rationale in at least 2 out of 3 cases.

Tutorial Preview

1

A pen costs $1.25. If you buy 4 pens, what is the total cost?

2

A drink costs $2.75. You pay with a $5.00 bill. How much change do you get?

3

A 3-pack of socks costs $7.50. What is the cost of one pair of socks?

Sample Practice Questions

Easy
Pencils cost $0.50 each. What is the cost of 6 pencils?
0.$3.00
1.$3.50
2.$6.50
3.$12.00
Easy
A candy bar is $1.25. You pay with $2.00. What is your change?
0.$0.50
1.$0.75
2.$1.75
3.$3.25
Easy
A 2-liter soda costs $3.00. What is the cost per liter?
0.$1.00
1.$6.00
2.$1.50
3.$0.67

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Frequently asked questions

What grade level is "Add, subtract, multiply, or divide two decimals: word problems"?

Add, subtract, multiply, or divide two decimals: word problems is a Grade 7 Mathematics lesson on ExcelOS.

What will I learn in Add, subtract, multiply, or divide two decimals: word problems?

You'll be able to: Construct a graphical representation of a discrete probability distribution, given a probability mass function (PMF), with 100% accuracy; Identify and justify whether a given graph accurately represents a discrete probability….

Is "Add, subtract, multiply, or divide two decimals: word problems" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Add, subtract, multiply, or divide two decimals: word problems?

This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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