MA19.4.16

Mathematics (2019) Grade(s): 4

MA19.4.16
Apply and extend previous understandings of multiplication to multiply a whole number times a fraction.

Unpacked Content

Knowledge

Students know:

Models or equations to represent multiplication situations.
The fraction a/b is equivalent to the unit fraction 1/b being iterated or "copied" the number of times indicated by the numerator, a.

Skills

Students are able to:

Model and explain how a non-unit fraction can be expressed as multiplication.
Multiply a whole number times any fraction less than one.
Solve word problems involving a whole number times a fraction using a visual fraction model and equation to represent the problem.

Understanding

Students understand that:

Previous work involving multiplication with whole numbers can be extended to fractions in showing multiplication as putting together equal-sized fractional groups.
Problem solving situations involving multiplication of a whole number times a fraction can be solved using a variety of strategies, models, and representations.

Vocabulary

Whole number
Fraction
Non-unit fraction
Unit fraction
Fraction less than one
Fraction greater than one
Visual fraction model
Equation
Decompose
Recompose
Compose

Aligned Learning Resources

Harry's Job at a Candy Store

Finding a Fraction of a Set StudyJam

KutaSoftware: Algebra 1 - Factoring Quadratic Polynomials Easy Part 3

What Verbals Are | No Nonsense Grammar

Multiplying Fractions by Whole Numbers

Multiplying Fractions

Multiply Fractions by Whole Numbers

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