Multiplication Patterns and Odd Numbers

The video tutorial for lesson 17 in module three of grade three covers multiplication patterns and rules. It begins with setting up a grid and explores multiplication patterns with ones, twos, fives, threes, and fours. The lesson continues with advanced multiplication using sixes and eights, followed by coloring even factors and observing patterns in odd numbers. The tutorial explains multiplication rules for odd and even numbers, demonstrates decomposition of multiplication into simpler parts, and uses the summation of odd numbers to find products.

What is the main task introduced in the lesson?

• Filling in a multiplication grid

• Solving division problems

• Learning about fractions

• Practicing addition

What is the pattern for multiplying by ones?

• The result is the same as the other factor

• The result is always zero

• The result is always one

• The result is doubled

How do you find the products when multiplying by twos?

• Add three to the previous product

• Double the other factor

• Subtract one from the other factor

• Multiply by ten

What is the pattern for multiplying by fives?

• The result is always even

• The result ends in five or zero

• The result is always odd

• The result is the same as multiplying by ten

What is a simple way to calculate products when multiplying by threes?

• Divide by three

• Subtract three from the previous product

• Multiply by two

• Add three to the previous product

What is the pattern for multiplying by fours?

• Multiply by five

• Add four to the previous product

• Subtract four from the previous product

• Multiply by two and add two

What is the result of multiplying six by seven?

• 42

• 36

• 48

• 54

What color should be used to shade rows and columns with even factors?

• Yellow

• Green

• Blue

• Red

What do the unshaded parts of the grid represent?

• Prime numbers

• Even numbers

• Odd numbers

• Multiples of ten

What is the result of multiplying an odd number by another odd number?

• Even

• Prime

• Zero

• Odd