Mathematics Grade 8 15 min

Multiply and divide rational numbers:word problems

Multiply and divide rational numbers:word problems

What you'll learn

  • Identify the unknown variable in a word problem and represent it with a letter symbol at least 8 out of 10 times.
  • Translate a one-step word problem into a corresponding one-step algebraic equation with 80% accuracy.
  • Solve one-step addition, subtraction, multiplication, and division equations derived from word problems and check their answers by substitution with 90% accuracy.
  • Explain in writing how the solution to a one-step equation relates to the original word problem context in at least 3 out of 4 word problems.

Tutorial Preview

1

A recipe needs 3/4 cup of flour for one batch. You make 5 batches. How much flour do you need?

2

A long sandwich is 6 feet long. You cut it into pieces that are 2/3 of a foot long. How many pieces do you get?

3

A company's stock price dropped $1.50 each day for 4 days. What was the total change in price?

Sample Practice Questions

Easy
A pizza has 8 slices. You eat 1/4 of it. How many slices did you eat?
0.1
1.2
2.3
3.4
Easy
A 4-foot board is cut into 1/2-foot pieces. How many pieces are there?
0.2
1.4
2.6
3.8
Easy
A submarine descends 2.5 meters per minute. How far does it descend in 3 minutes?
0.5.5 m
1.6.5 m
2.7.5 m
3.8.5 m

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Frequently asked questions

What grade level is "Multiply and divide rational numbers:word problems"?

Multiply and divide rational numbers:word problems is a Grade 8 Mathematics lesson on ExcelOS.

What will I learn in Multiply and divide rational numbers:word problems?

You'll be able to: Identify the unknown variable in a word problem and represent it with a letter symbol at least 8 out of 10 times; Translate a one-step word problem into a corresponding one-step algebraic equation with 80% accuracy; Solve….

Is "Multiply and divide rational numbers: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 Multiply and divide rational numbers:word problems?

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

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