4th Grade enVision Topic 3 review

Front

What are partial products in multiplication?

Back

Partial products are the results of multiplying each digit of one number by each digit of another number, before adding them together to get the final product.

Front

How do you find the total number of items when given batches?

Back

To find the total, multiply the number of items in each batch by the number of batches, then add the results together.

Front

What is the distributive property in multiplication?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute the multiplication over addition.

Front

What does it mean to multiply a number by 10?

Back

Multiplying a number by 10 shifts its digits one place to the left, effectively increasing its value tenfold.

Front

How do you solve a multiplication problem using a bar diagram?

Back

A bar diagram visually represents the multiplication problem, helping to organize and simplify the calculation.

Front

What is the equivalent expression for (200 + 23) x 4?

Back

223 x 4 is equivalent to (200 + 23) x 4.

Front

What is the total number of cookies Mr. Alcazar bakes if he bakes 6 batches of 60 and 5 batches of 90?

Back

He bakes a total of 810 cookies.

Front

What is the result of 3 x 219 using partial products?

Back

The partial products are 27, 30, and 600.

Front

What does the expression 4 x (100 + 4) represent?

Back

It represents multiplying 4 by the sum of 100 and 4.

Front

How do you calculate the total from multiple batches of different sizes?

Back

Multiply the number of items in each batch by the number of batches, then sum all the results.