7.5 Rational Number Arithmetic

Lesson 1

  • I can compare rational numbers.
  • I can use rational numbers to describe temperature and elevation.

Lesson 2

  • I can use a number line to add positive and negative numbers.

Lesson 3

  • I understand how to add positive and negative numbers in general.

Lesson 4

  • I understand what positive and negative numbers mean in a situation involving money.

Lesson 5

  • I can explain the relationship between addition and subtraction of rational numbers.
  • I can use a number line to subtract positive and negative numbers.

Lesson 6

  • I can find the difference between two rational numbers.
  • I understand how to subtract positive and negative numbers in general.

Lesson 7

  • I can solve problems that involve adding and subtracting rational numbers.

Lesson 8

  • I can multiply a positive number with a negative number.
  • I can use rational numbers to represent speed and direction.

Lesson 9

  • I can explain what it means when time is represented with a negative number in a situation about speed and direction.
  • I can multiply two negative numbers.

Lesson 10

  • I can solve problems that involve multiplying rational numbers.

Lesson 11

  • I can divide rational numbers.

Lesson 12

  • I can solve problems that involve multiplying and dividing rational numbers.
  • I can solve problems that involve negative rates.

Lesson 13

  • I can add, subtract, multiply, and divide rational numbers.
  • I can evaluate expressions that involve rational numbers.

Lesson 14

  • I can represent situations with expressions that include rational numbers.
  • I can solve problems using the four operations with rational numbers.

Lesson 15

  • I can solve equations that include rational numbers and have rational solutions.

Lesson 16

  • I can explain what the solution to an equation means for the situation.
  • I can write and solve equations to represent situations that involve rational numbers.

Lesson 17

  • I can solve problems about the stock market using rational numbers and percentages.