Multi-Digit Multiplication Review

Front

What is multi-digit multiplication?

Back

Multi-digit multiplication involves multiplying numbers that have two or more digits. It requires understanding place value and the distributive property.

Front

What is the product of 8,293 and 68?

Back

563,924

Front

How do you calculate the total sales from selling multiple items?

Back

Multiply the number of items sold by the price per item. For example, if a café sells 485 meals at $9 each, the total is 485 x $9 = $4,365.

Front

What is the product of 42,056 and 4?

Back

168,224

Front

How do you find the total distance measured using multiple rulers?

Back

Multiply the length of one ruler by the number of rulers. For example, if one ruler is 12 inches and there are 32 rulers, the total distance is 12 x 32 = 384 inches.

Front

What are compatible numbers?

Back

Compatible numbers are numbers that are easy to compute with mentally. They are often rounded to make calculations simpler.

Front

If Mari estimates 32 x 439 using 30 and 400, is it an overestimate or an underestimate?

Back

It is an underestimate.

Front

What is the distributive property in multiplication?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to break down complex multiplication into simpler parts.

Front

What is the importance of estimating in multiplication?

Back

Estimating helps to quickly assess the reasonableness of an answer and can simplify calculations.

Front

What is the equation to find the total cost of items sold?

Back

Total Cost = Number of Items x Price per Item.