Exploring Reciprocals and Inverse Operations

What is another term for a reciprocal?

• Multiplicative inverse

• Additive inverse

• Subtractive inverse

• Divisive inverse

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the reciprocal of 3?

• 1/3

• 3/1

• 1/2

• 3/3

If you have the fraction 7/4, what is its reciprocal?

• 4/7

• 7/7

• 1/4

• 4/4

How do you convert a mixed number to an improper fraction?

• Add the numerator and denominator

• Multiply the whole number by the denominator and add the numerator

• Subtract the numerator from the denominator

• Divide the numerator by the denominator

What is the reciprocal of 1 and 3/5?

• 5/8

• 8/5

• 1/5

• 3/5

What are inverse operations?

• Operations that multiply each other

• Operations that divide each other

• Operations that undo each other

• Operations that add to each other

Tags

CCSS.3.OA.C.7

Which operation undoes addition?

• Subtraction

• Division

• Addition

• Multiplication

Tags

CCSS.2.NBT.B.5

If you multiply a number by 3, what should you do to get back to the original number?

• Multiply by 3 again

• Divide by 3

• Subtract 3

• Add 3

Tags

CCSS.4.NBT.B.6

What is the inverse operation of dividing by 8?

• Multiplying by 8

• Adding 8

• Subtracting 8

• Dividing by 8 again

Tags

CCSS.4.NBT.B.6

If you subtract 1/2 from a number, what should you do to get back to the original number?

• Add 1/2

• Subtract 1/2 again

• Multiply by 1/2

• Divide by 1/2

Tags

CCSS.7.NS.A.1B