Addition and Subtraction of Positive Rational Numbers

89.34 + 98

• 100

• 90.32

• 187.34

• 18734

Tags

CCSS.6.NS.B.3

Mike sold lemonade at a sidewalk stand for three days. He earned $14.80 on the first day, $2.55 on the second day, and $4.40 on the third day. How much did he earn in all?

• $2.175

• $2,175

• $217.50

• $21.75

Tags

CCSS.6.NS.B.3

15.8 - 9.67

• 613

• .613

• 6.13

• 61.3

Tags

CCSS.6.NS.B.3

Missy bought a pizza for $8.27. How much change would she get back if she paid with a ten dollar bill?

• $18.27

• $1.73

• $2.27

• $1.27

Tags

CCSS.6.NS.B.3

You have one pan of brownies. You give 1/3 of a pan of brownies to Mr. Nix and 1/6 of a pan of brownies to your teacher. How much of the pan of brownies do you have left?

• 2/6 of the pan

• 1/6 of the pan

• 1/2 of the pan

• 1/3 of the pan

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

0 is called:

• Identity element for the multiplication of the rational numbers

• Identity element for the addition of rational numbers

• Identity element for the subtraction of rational numbers

• None of these

Tags

CCSS.7.NS.A.1B

What properties, the following expressions show?

• Commutative property of addition of Rational numbers

• Closure property of addition of Rational numbers

• Associative property of addition of Rational numbers

• Distributive property of addition of Rational numbers

Tags

CCSS.7.NS.A.1D

The additive inverse of -6/7

• 6/7

• -7/6

• 7/6

• 1

Tags

CCSS.7.NS.A.1B

The sum of 2 rational numbers is always a rational number ,this is indicator of which propery

• commutative

• distributive

• closure

• associative

Tags

CCSS.7.NS.A.1D

What is the additive inverse of 2/3?

• -2/3

• 3/2

• 2/3

• -3/2

Tags

CCSS.7.NS.A.1B