Podcast
Questions and Answers
Calculate $24 \times 15$ using both the standard algorithm and the area model.
Calculate $24 \times 15$ using both the standard algorithm and the area model.
- Standard algorithm: Multiply ones, multiply tens, add partial products. Area model involves breaking down the numbers and multiplying each part.
Compute $6 \times 123$ using 2 different methods.
Compute $6 \times 123$ using 2 different methods.
- Standard algorithm: Multiply each digit of 123 by 6, carrying over as needed. Expanded form: $6 \times (100 + 20 + 3) = (6 \times 100) + (6 \times 20) + (6 \times 3)$
A farmer has 32 rows of apple trees with 18 trees in each row. How many apple trees does the farmer have in total? Solve using two different methods.
A farmer has 32 rows of apple trees with 18 trees in each row. How many apple trees does the farmer have in total? Solve using two different methods.
576 apple trees. Methods: Standard multiplication and breaking down $32 \times 18$ into $(30 + 2) \times (10 + 8)$ and using distributive property.
A school is planning a field trip. There are 7 buses, and each bus can carry 45 students. How many students can go on the field trip? Solve using two different methods.
A school is planning a field trip. There are 7 buses, and each bus can carry 45 students. How many students can go on the field trip? Solve using two different methods.
Sarah earns $15 per hour and works 25 hours a week. How much does she earn in a week? Solve using two different methods.
Sarah earns $15 per hour and works 25 hours a week. How much does she earn in a week? Solve using two different methods.
Flashcards
What is the distributive property of multiplication?
What is the distributive property of multiplication?
Multiplying a number by breaking it down into its place values (tens and ones) and then adding the results.
What is an area model in multiplication?
What is an area model in multiplication?
A visual model using rows and columns to represent multiplication.
What is a product?
What is a product?
The answer to a multiplication problem.
What is estimating in multiplication?
What is estimating in multiplication?
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What does it mean to solve a math problem in two different ways?
What does it mean to solve a math problem in two different ways?
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Study Notes
- Fifth-grade students will practice multiplication skills.
- Problems include multiplying a 2-digit number by another 2-digit number.
- Also includes multiplying a 1-digit number by a 3-digit number.
- Students must solve each multiplication problem using two different methods.
- In addition to standard multiplication problems, there are word problems.
- Word problems require multiplication of 2-digit by 2-digit numbers.
- Word problems require multiplication of 1-digit by 3-digit numbers.
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Description
Fifth-grade students will practice multiplication skills. Problems include multiplying a 2-digit number by another 2-digit number, and a 1-digit number by a 3-digit number. Students must solve each multiplication problem using two different methods. There are also word problems.
