Mastering 2-Digit by 1-Digit Multiplication Strategies

The video tutorial covers the concept of multiplying two-digit by one-digit numbers, specifically using the example of a softball team paying for tournaments. It explains the standard algorithm, the distributive property, and alternative methods like compensation. The tutorial is based on a third-grade math standard from Texas and uses a problem from a 2021 test. The video encourages students to try solving the problem independently before reviewing the solutions together.

How many tournaments did the softball team play?

• 7 tournaments

• 8 tournaments

• 6 tournaments

• 5 tournaments

What is the cost per tournament for the softball team?

• $95

• $105

• $90

• $100

Tags

CCSS.6.RP.A.3B

What is the first step in the standard algorithm for multiplication?

• Subtract the numbers

• Add the numbers

• Multiply the ones place

• Multiply the tens place

Tags

CCSS.4.NBT.B.5

What do you do with the carry-over number in the standard algorithm?

• Divide it

• Ignore it

• Add it to the next multiplication

• Subtract it

Tags

CCSS.5.NBT.B.5

What is the result of 95 times 6 using the standard algorithm?

• 590

• 580

• 560

• 570

Tags

CCSS.4.NBT.B.5

Which method uses the concept of 'carrying over' in multiplication?

• Compensation method

• Estimation method

• Distributive property

• Standard algorithm

Tags

CCSS.4.NBT.B.5

How does the distributive property simplify multiplication?

• By subtracting numbers

• By breaking numbers into smaller parts

• By dividing numbers

• By adding numbers

Tags

CCSS.3.OA.B.5

What is the result of 90 times 6 in the distributive method?

• 540

• 550

• 560

• 570

Tags

CCSS.6.NS.B.4

What is the compensation method based on?

• Estimation

• Exact calculation

• Rounding down

• Rounding up

Tags

CCSS.7.NS.A.1C

What is the estimated product of 95 and 6 using compensation?

• 580

• 570

• 560

• 590

Tags

CCSS.4.NBT.B.5