Go Math Chapter 3 Review - Multiplication

Front

What is the area model in multiplication?

Back

The area model is a visual representation of multiplication that breaks down numbers into their place values and represents the product as the area of a rectangle.

Front

What mistake did Eli make when using the area model to multiply 43 x 28?

Back

Eli added the value of the digits in each factor instead of multiplying the value of the digits in each factor.

Front

How do you calculate the total number of items when given the number of boxes and items per box?

Back

Multiply the number of boxes by the number of items in each box.

Front

If there are 24 boxes of pens and each box contains 100 pens, how many pens are there in total?

Back

2400 pens.

Front

What is the product of 28 x 43?

Back

1,204.

Front

What is the multiplication fact for 14 x 20?

Back

14 x 20 = 280.

Front

What is the importance of understanding place value in multiplication?

Back

Understanding place value helps in breaking down numbers into manageable parts for easier multiplication.

Front

What is a multiplication strategy that can be used to solve 16 boxes of t-shirts with 35 shirts each?

Back

One strategy is to break down 35 into 30 and 5, then calculate (16 x 30) + (16 x 5).

Front

How can you verify the product of a multiplication problem?

Back

You can verify the product by using the inverse operation, which is division.

Front

What is the relationship between multiplication and addition?

Back

Multiplication is repeated addition; for example, 4 x 3 is the same as adding 4 three times (4 + 4 + 4).