Multiply Multi-digit Whole Numbers
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Lesson Plans and Worksheets for Grade 5
Lesson Plans and Worksheets for all Grades
More Lessons for Grade 5
Common Core For Grade 5
Examples, solutions, videos and lessons to help Grade 5 students learn how to fluently multiply multi-digit whole numbers using the standard algorithm and using estimation to check for reasonableness of the product.
Common Core Standards: 5.OA.1, 5.OA.2, 5.NBT.5
New York State Common Core Math Grade 5, Module 2, Lesson 8
Worksheets for Grade 5, Module 2, Lesson 8
Lesson 8 Concept Development
Problem 1
314 × 236
Problem 2
1,882 × 296
Problem 3
4,902 × 408
Lesson 8 Problem Set
1. Estimate the product first. Solve by using the standard algorithm. Use your estimate to check the reasonableness of the product.
c. 739 × 442
i. 987 × 3,105
g. 530 × 2,075
628 × 335
2,403 × 545
1. Estimate the product first. Solve by using the standard algorithm. Use your estimate to check the
reasonableness of the product.
a. 213 × 328
b. 662 × 372
2. Each container holds 1 L 275 mL of water. How much water is in 609 identical containers? Find the difference between your estimated product and precise product. Lesson 8 Homework
In this video, we take a look at the relationship between an estimate and an exact product within complex multiplication problems.
1. Estimate the product first. Solve by using the standard algorithm. Use your estimate to check the reasonableness of the product.
a. 312 × 149
b. 743 × 295
c. 428 × 637 3. A publisher prints 1,912 copies of a book in each print run. If they print 305 runs, the manager wants to know about how many books will be printed. What’s a reasonable estimate?
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
Lesson Plans and Worksheets for Grade 5
Lesson Plans and Worksheets for all Grades
More Lessons for Grade 5
Common Core For Grade 5
Common Core Standards: 5.OA.1, 5.OA.2, 5.NBT.5
New York State Common Core Math Grade 5, Module 2, Lesson 8
Worksheets for Grade 5, Module 2, Lesson 8
Lesson 8 Concept Development
Problem 1
314 × 236
Problem 2
1,882 × 296
Problem 3
4,902 × 408
1. Estimate the product first. Solve by using the standard algorithm. Use your estimate to check the reasonableness of the product.
c. 739 × 442
i. 987 × 3,105
g. 530 × 2,075
628 × 335
2,403 × 545
a. 213 × 328
b. 662 × 372
2. Each container holds 1 L 275 mL of water. How much water is in 609 identical containers? Find the difference between your estimated product and precise product. Lesson 8 Homework
In this video, we take a look at the relationship between an estimate and an exact product within complex multiplication problems.
1. Estimate the product first. Solve by using the standard algorithm. Use your estimate to check the reasonableness of the product.
a. 312 × 149
b. 743 × 295
c. 428 × 637 3. A publisher prints 1,912 copies of a book in each print run. If they print 305 runs, the manager wants to know about how many books will be printed. What’s a reasonable estimate?
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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