Multiply or Divide Review

The video tutorial explains multiplication as repeated addition and highlights patterns in multiples. It introduces area models for solving multiplication problems and arrays for division, including handling remainders. Estimation techniques for division are covered, along with standard processes for multiplication and division. The video also provides strategies for solving word problems, especially those involving remainders.

How can the multiplication of whole numbers be understood?

• As repeated addition

• As a form of subtraction

• As division

• As a form of subtraction

What does an area model help illustrate in multiplication?

• The division of numbers

• The multiplication of each digit in one factor by each digit in another

• The addition of numbers

• The subtraction of numbers

When using estimation in division, what is the first step?

• Round the dividend and divisor

• Subtract the divisor from the dividend

• Multiply the dividend by the divisor

• Add the dividend and divisor

What is the role of estimation in long division?

• To subtract the divisor from the dividend

• To multiply the dividend and divisor

• To get a close approximation of the quotient

• To find the exact quotient

What should you do if there is a remainder in a division word problem involving sharing?

• Ignore the remainder

• Turn the remainder into a fraction

• Add the remainder to the quotient

• Subtract the remainder from the quotient

How do you handle a remainder when making groups with a maximum limit?

• Increase the quotient by one and drop the remainder

• Decrease the quotient by one

• Add the remainder to the quotient

• Ignore the remainder

What is the process for multiplying two numbers?

• Line the factors up to the left and subtract

• Line the factors up to the right and multiply each digit

• Line the factors up to the right and divide

• Line the factors up to the left and add