Exploring Multiplication Strategies in Mathematics

What is the lesson objective for today's class?

• To fluently multiply multi-digit numbers using a preferred strategy

• To subtract multi-digit numbers

• To add multi-digit numbers

• To divide multi-digit numbers

Tags

CCSS.5.NBT.B.5

What is the first step in the standard algorithm for multiplying 342 by 16?

• Add the numbers together

• Multiply the ones place first

• Divide the numbers

• Multiply the tens place first

Tags

CCSS.5.NBT.B.5

In the standard algorithm, what do you do after multiplying 6 by 2?

• Carry the 1

• Add the numbers

• Multiply by 4

• Move to the tens place

Tags

CCSS.5.NBT.B.5

How is the number 342 broken down in the area model?

• 300, 40, and 2

• 3, 40, and 20

• 30, 4, and 2

• 300, 4, and 20

Tags

CCSS.4.NBT.B.5

What is the area of the section that is 300 by 10 in the area model?

• 300,000

• 30,000

• 3,000

• 300

Tags

CCSS.4.NBT.B.5

In the clusters strategy, what is the product of 342 and 10?

• 34,200

• 3,420

• 3,000

• 342

Tags

CCSS.4.NBT.B.5

How is the product of 342 and 5 found in the clusters strategy?

• By adding 342 and 5

• By multiplying 342 by 2 and then adding 1

• By multiplying 342 by 10 and then dividing by 2

• By subtracting 5 from 342

Tags

CCSS.4.NBT.B.5

What is the final product of 342 multiplied by 16 using the clusters strategy?

• 5,472

• 342

• 3,420

• 1,800

Tags

CCSS.5.NBT.B.5

What is the main idea behind the clusters strategy?

• Breaking down a large multiplication problem into smaller, easier parts

• Using a calculator

• Adding numbers together

• Dividing numbers into smaller parts

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

What is the key takeaway from connecting the different multiplication strategies?

• Only the standard algorithm is correct

• All strategies are connected and lead to the same answer

• Different strategies can lead to different answers

• All strategies are unrelated

Tags

CCSS.4.NBT.B.5