Multiply two-digit by two-digit numbers using two partial products and assess the reasonableness of the product.
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If you need to adapt or shorten this lesson for remote learning, we suggest prioritizing Anchor Task 1 (benefits from discussion), Anchor Task 2 (benefits from worked example), and Anchor Task 3 (can be done independently). Find more guidance on adapting our math curriculum for remote learning here.
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Joy started to solve the math problem 24 x 11 with the area model. Her work looked like this:
But, her classmate Sophia told her that instead of using four areas, she could solve it using only two and drew the area model below:
Grade 6 Unit 5 Lesson 7 (Teacher Version) is made available by Open Up Resources under the CC BY 4.0 license. Copyright © 2017 Open Up Resources. Download for free at openupresources.org. Accessed Dec. 14, 2018, 4:05 p.m..
Modified by The Match Foundation, Inc.Grade 4 Mathematics > Module 3 > Topic H > Lesson 37 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..
Modified by The Match Foundation, Inc.Joy and Sophia wrote the partial products from their area models as follows:
Grade 4 Mathematics > Module 3 > Topic H > Lesson 37 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..
Modified by The Match Foundation, Inc.Grade 6 Unit 5 Lesson 7 (Teacher Version) is made available by Open Up Resources under the CC BY 4.0 license. Copyright © 2017 Open Up Resources. Download for free at openupresources.org. Accessed Dec. 14, 2018, 4:05 p.m..
Modified by The Match Foundation, Inc.Use the standard algorithm to find the following products. Then assess the reasonableness of your answer.
Grade 4 Mathematics > Module 3 > Topic H > Lesson 37 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..
Modified by The Match Foundation, Inc.?
Which method can be used to solve 11 x 13?
A. Multiply 11 x 10 and 10 x 3, then add the two products.
B. Multiply 11 x 10 and 11 x 3, then add the two products.
C. Multiply 11 x 100 and 10 x 3, then add the two products.
D. Multiply 11 x 100 and 11 x 3, then add the two products.
From EngageNY.org of the New York State Education Department. New York State Testing Program Grade 4 Common Core Mathematics Test Released Questions June 2017. Internet. Available from https://www.engageny.org/resource/released-2017-3-8-ela-and-mathematics-state-test-questions/file/150261; accessed March 7, 2018, 1:59 p.m..
Solve. Assess the reasonableness of your answer.
a. 72 x 43 |
b. 35 x 53 |
Grade 4 Mathematics > Module 3 > Topic H > Lesson 38 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..
Modified by The Match Foundation, Inc.?
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