Subtract Rational Numbers

What is the equivalent addition expression for

-8 - (-13) ?

• -8 + (-13)

• -8 + 13

• 8 + (-13)

• 8 + 13

Tags

CCSS.7.NS.A.1B

A rational number is __________.

• All fractions but not decimals

• Any number that can be written as a decimal

• Any number that can not be written as a fraction

• Any number that can be written as a fraction

What is the equivalent addition expression for

12 - 25?

• -12 + -25

• 12 + -25

• -12 + 25

• 12 + 25

Tags

CCSS.7.NS.A.1B

Subtracting a rational number is the same as ___________.

• Subtracting the opposite

• Adding the opposite

Tags

CCSS.7.NS.A.1C

What is the equivalent addition expression for

-5.5 - 3.3?

• -5.5 + 3.3

• -5.5 + -3.3

• 5.5 + 3.3

• 5.5 + -3.3

Tags

CCSS.7.NS.A.1B

What is the first step for subtracting fractions with unlike denominators?

• Find the LCM/LCD

• Subtract the numerators

• Write equivalent fractions

• Subtract the denominators

Tags

CCSS.7.NS.A.1C

Subtracting a rational number is the same as ___________.

• Subtracting the opposite

• Adding the opposite

Tags

CCSS.7.NS.A.1B

5.5 - 2.75 =

• 2.5

• 2 1/4

• 3

• 2.75

Tags

CCSS.5.NBT.B.7

⅛ - ¼

• 1/4

• -1/4

• -1/8

• 1/8

Tags

CCSS.7.NS.A.1C

-11.6 - 2.9

• -14.5

• 15.5

• -8.7

• 8.7

Tags

CCSS.7.NS.A.1C