Videos to help Grade 5 students reason about the product of a whole number and a decimal with hundredths using place value understanding and estimation.

Common Core Standards: 5.NBT.7, 5.OA.1, 5.OA.2, 5.NBT.1

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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 12

Lesson 12 Concept Development

Problems 1 - 3

2.31 × 22 =

2.31 × 221 =

2.31 × 201=

1. Estimate, and then solve using the standard algorithm. You may draw an area model if it helps you.

a. 1.21 × 14 ≈ ____ × ____ = _____

b. 1.3 × 26

c. 0.23 × 14

e. 7.06 × 28

Homework:

3. Eric walks 2.75 miles to and from work every day for an entire year. How many miles did he walk?

5. Gerry spends $1.25 each day on lunch at school. On Fridays she buys an extra snack for $0.55. How much money will she spend in two weeks?

1. Estimate, and then solve using the standard algorithm. You may draw an area model if it helps you.

a. 24 × 2.31 ________ × _______ = _________

3. Eric walks 2.75 miles to and from work every day for an entire year. How many miles did he walk?

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