Checking Division with Whole Numbers and Fractions Using Inverse Relationship

This video tutorial teaches how to check division answers using the inverse relationship between multiplication and division. It covers the concept of inverse operations, demonstrates solving word problems involving division of whole numbers and fractions, and verifies solutions using multiplication. The tutorial includes practical examples like dividing ribbon and candy bars, emphasizing the use of number lines and multiplication to confirm division results.

What is the inverse operation of division?

• Multiplication

• Subtraction

• Exponentiation

• Addition

In the word problem about Jan's craft project, how many picture frames can she decorate with 6 yards of ribbon if each frame requires 1/4 yard?

• 12 frames

• 30 frames

• 18 frames

• 24 frames

How can you verify the division of 6 by 1/4 using multiplication?

• Multiply 6 by 4

• Multiply 24 by 1/4

• Multiply 6 by 1/4

• Multiply 24 by 6

If a candy bar is divided equally among 3 children, and the original piece is 1/2 of a candy bar, how much does each child get?

• 1/3 of a candy bar

• 1/4 of a candy bar

• 1/5 of a candy bar

• 1/6 of a candy bar

What is the multiplication sentence that verifies the division of 1/2 by 3?

• 3 * 1/2 = 1/6

• 3 * 1/6 = 1/2

• 1/2 * 3 = 1/6

• 1/6 * 3 = 1/2

How many equal parts is the whole candy bar divided into to find the size of each piece?

• 6 equal parts

• 5 equal parts

• 4 equal parts

• 3 equal parts

What is the purpose of using inverse operations in division problems?

• To verify the correctness of division

• To make division faster

• To simplify division

• To avoid using fractions