Videos to help Grade 4 students learn how to solve multiplicative comparison word problems involving fractions.

Topic G: Repeated Addition of Fractions as Multiplication

Common Core Standards: 4.NF.4,
4.MD.4,
4.OA.2,
4.MD.2

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Lessons for Grade 4

Common Core For Grade 4

Lesson 39 Concept Development

Problem 1: Tameka ran 2 5/8 miles. Her sister ran twice as far. How far did Tameka’s sister run?

Problem 2: Natasha’s sculpture was 5 3/16 inches tall. Maya’s was 4 times as tall. How much shorter was Natasha’s sculpture than Maya's?

Problem 3: A seamstress needs 1 5/8 yards of fabric to make a child’s dress. She needs 3 times as much fabric to make a woman’s dress. How many yards of fabric does she need for both dresses?

Problem 4: A piece of blue yarn is 5 2/3 yards long. A piece of pink yarn is 5 times as long as the blue yarn. Bailey tied them together with a knot that used 1/3 yard from each piece of yarn. What is the total length of the yarn tied together?

Use the RDW process to solve.

1. A grocery store had a sale on ground turkey. Eight families each bought 2 1/2 pounds of ground turkey. How many pounds did the store sell to these families?

3. Gail has two yards of fabric. It takes 8 3/4 yards of fabric to make one quilt. She wants to make three quilts. How many more yards of fabric does she need to buy in order to make three quilts?

5. Brandon drove 72 7/10 miles on Monday. He drove 3 times as far on Tuesday. How far did he drive in the two days?