Understanding Real Proof in Division

This video tutorial teaches students how to self-check their math operations by using inverse operations. It focuses on the concept of 'real proof' for division, explaining how multiplication can verify the correctness of a division operation. The tutorial also covers how to handle divisions with remainders by adding the remainder to the product of the quotient and divisor. The lesson concludes with a summary and farewell message.

What is the main characteristic of arithmetic operations that allows us to verify their correctness?

• They are easy to solve.

• They have an inverse operation.

• They do not require verification.

• They are always correct.

Tags

CCSS.HSA.REI.A.1

What is the inverse operation of division?

• Division

• Multiplication

• Subtraction

• Addition

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CCSS.5.NBT.B.6

CCSS.6.NS.B.2

To verify the correctness of a division operation, what should you multiply?

• The dividend and the divisor

• The quotient and the divisor

• The quotient and the dividend

• The remainder and the divisor

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CCSS.4.NBT.B.6

CCSS.5.NBT.B.6

If the product of the quotient and the divisor equals the dividend, what can be concluded?

• The divisor is incorrect.

• The division is incorrect.

• The remainder is zero.

• The division is correct.

Tags

CCSS.4.NBT.B.6

What additional step is required to verify a division with a remainder?

• Divide the remainder by the quotient.

• Multiply the remainder by the quotient.

• Add the remainder to the product.

• Subtract the remainder from the product.

Tags

CCSS.4.NBT.B.6

After adding the remainder to the product of the quotient and the divisor, what should the result be equal to?

• The dividend

• The remainder

• The divisor

• The quotient

Tags

CCSS.7.EE.B.3

What is the term used to describe the process of verifying the correctness of a division operation?

• Inverse operation

• Real proof

• Exact division

• Remainder verification

Tags

CCSS.7.EE.B.3