Mathematics Grade 8 15 min

Add and subtract fractions with like denominators in recipes

Add and subtract fractions with like denominators in recipes

What you'll learn

  • Identify quadratic equations in standard form (ax² + bx + c = 0) and determine the values of a, b, and c with 100% accuracy.
  • Factor quadratic expressions of the form ax² + bx + c, where a = 1, with at least 80% accuracy on a formative assessment.
  • Solve quadratic equations by factoring, demonstrating the zero-product property, and accurately determining the solutions (roots) for at least 4 out of 5 problems on a summative assessment.
  • Explain the relationship between the factors of a quadratic equation and its solutions, justifying each step in the factoring process with clear and concise mathematical reasoning.

Tutorial Preview

1

A recipe needs 1/4 cup of sugar and 2/4 cup of flour. What is the total amount of dry ingredients?

2

You have 7/8 cup of milk. A recipe uses 3/8 cup. How much milk is left?

3

A smoothie needs 3/5 cup of yogurt and 2/5 cup of juice. What is the total volume?

Sample Practice Questions

Easy
A recipe calls for 1/5 cup of white sugar and 3/5 cup of brown sugar. What is the total amount of sugar?
0.3/5
1.4/5
2.4/10
3.2/5
Easy
You mix 1/6 cup of lemon juice with 4/6 cup of water. What is the total volume of the mixture?
0.5/12
1.3/6
2.5/6
3.1/2
Easy
A container has 4/7 of a liter of broth. You use 2/7 of a liter for a soup. How much is left?
0.2/7
1.6/7
2.2/0
3.1/7

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Frequently asked questions

What grade level is "Add and subtract fractions with like denominators in recipes"?

Add and subtract fractions with like denominators in recipes is a Grade 8 Mathematics lesson on ExcelOS.

What will I learn in Add and subtract fractions with like denominators in recipes?

You'll be able to: Identify quadratic equations in standard form (ax² + bx + c = 0) and determine the values of a, b, and c with 100% accuracy; Factor quadratic expressions of the form ax² + bx + c, where a = 1, with at least 80% accuracy on a….

Is "Add and subtract fractions with like denominators in recipes" 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 and subtract fractions with like denominators in recipes?

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

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