Mastering Extended Multiplication Facts

The video tutorial explains extended multiplication facts, starting with the definition of 'extend' as making something longer. It demonstrates how multiplying by 10, 100, or 1,000 involves adding zeros to the end of numbers. The tutorial provides examples and practice problems to illustrate this concept, emphasizing the importance of knowing basic multiplication facts. It also introduces fact triangles and puzzles as tools for practicing extended multiplication.

What does 'extend' mean in the context of multiplication?

• To make a number smaller

• To add more numbers

• To make a number longer by adding zeros

• To divide the number

Tags

CCSS.4.NBT.B.5

How do you multiply a number by 10?

• Divide the number by 10

• Subtract 10 from the number

• Add a zero to the end of the number

• Multiply the number by itself

Tags

CCSS.5.NBT.B.7

What is the result of 50 * 3 using extended multiplication?

• 5003

• 153

• 150

• 53

Tags

CCSS.4.NBT.B.5

How do you calculate 90 * 30 using extended multiplication?

• 2700

• 9030

• 9003

• 1230

Tags

CCSS.5.NBT.B.5

What is the result of 800 * 8,000?

• 640,000

• 6,400,000

• 8800

• 8008

Tags

CCSS.5.NBT.B.5

What is the result of 4,000 * 4,000?

• 16,000

• 40,000

• 400,000

• 16,000,000

Tags

CCSS.5.NBT.B.5

What is the purpose of using fact triangles in math?

• To make triangles in geometry

• To learn addition and subtraction

• To practice both multiplication and division facts

• To solve division problems only

Tags

CCSS.3.OA.C.7

What does 8 * 200 equal?

• 800

• 1,600

• 2,800

• 16,000

Tags

CCSS.4.NBT.B.5

How many zeros do you add when multiplying 20 * 30?

• One zero

• Two zeros

• No zeros

• Three zeros

Tags

CCSS.5.NBT.B.5

Why is it important to learn basic multiplication facts?

• To improve division skills

• To memorize math formulas

• To subtract numbers faster

• To calculate large numbers easily

Tags

CCSS.3.OA.C.7