Videos to help Grade 5 students learn how to multiply decimal fractions with tenths by multi-digit whole numbers using place value understanding to record partial products.

Common Core Standards: 5.OA.1, 5.OA.2, 5.NBT.5

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Lesson Plans and Worksheets for Grade 5

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Common Core For Grade 5

New York State Common Core Math Module 2, Grade 5, Lesson 10

Concept Development

Problems 1 - 3

43 × 2.4

3.5 × 42

15.6 × 73

Problem Set

1. Estimate the product. Solve using an area model and the standard algorithm. Remember to express your products in standard form.

a. 22 × 2.4 ≈ ___ × ____ = ____

b. 3.1 × 33 ≈ ___ × ____ =_____

Homework:

4. Rachel runs 3.2 miles each week day and 1.5 miles each day of the weekend. How many miles will she have run in 6 weeks?

Lesson 10 Homework

This video shows how to use area models to multiply decimals fractions with tenths by double digit whole numbers. Each problem is also solved using a standard algorithm.

1. Estimate the product. Solve using an area model and the standard algorithm. Remember to express your products in standard form.

a. 53 × 1.2 ≈______ × _______ = ____

2. Estimate, and then use the standard algorithm to solve. Express your products in standard form.

c. 3.3 × 16

3. Mr. Jansen is building an ice rink in his backyard that will measure 8.4 meters by 22 meters. What is the area of the rink?

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