Unit 2 Review: Adding and Subtracting Rational Numbers

A number’s distance from 0 on the number line. This value is never negative.

• Opposite Number

• Absolute Value

• Zero Pair

• Integers

Tags

CCSS.6.NS.C.7C

The set of whole numbers and their opposites.

• Positive Number

• Negative Number

• Rational Number

• Integers

Value less than 0. These values are located to the left of 0 on a horizontal number line and below 0 on a vertical number line.

• Opposite Number

• Positive Number

• Negative Number

• Integer

Tags

CCSS.6.NS.C.6A

Numbers that are the same distance from 0 on the number line but in opposite directions. They have the same numeral, but opposite signs. It can also be called the additive inverse.

• Opposite Number

• Positive Number

• Negative Number

• Rational Numbers

Tags

CCSS.6.NS.C.6A

Numbers that are greater than 0. They are located to the right of 0 on a horizontal number line and above 0 on a vertical number line.

• Rational Numbers

• Integers

• Positive Number

• Negative Number

Tags

CCSS.6.NS.C.6A

Two numbers whose sum is zero

• Opposite Numbers

• Integer Chips

• Absolute Value

• Zero Pair

Tags

CCSS.7.NS.A.1B

Colored chips with assigned values. One color is positive, the other color is negative.

• Integer Chips

• Integer

• Rational Number

• Opposite Pairs

Tags

CCSS.7.NS.A.1B

A number that can be expressed as the fraction a/b where a and b are integers and b does not equal 0. This include integers, fractions, repeating decimals, and terminating decimals.

• Integers

• Rational Numbers

• Opposite Numbers

• Absolute Value

Todd’s team starts a football game. On the first play, they gained 6 yards. On the second play, they lose 12 yards. The expression 6 + (-12) represents this situation. Use a model to find 6 + (-12). Show your work.

Tags

CCSS.7.NS.A.1B

What is the sum of - 18 and - 27

(a)  

Tags

CCSS.7.NS.A.1C