Acc6.7 Rational Numbers

Lesson 1

  • I can explain what 0, positive numbers, and negative numbers mean in the context of temperature and elevation.
  • I can use positive and negative numbers to describe temperature and elevation.
  • I know what positive and negative numbers are.

Lesson 2

  • I can explain how to use the positions of numbers on a number line to compare them.
  • I can explain what a rational number is.
  • I can use inequalities to compare positive and negative numbers.
  • I understand what it means for numbers to be opposites.

Lesson 3

  • I can compare and order rational numbers.
  • I can use phrases like “greater than,” “less than,” and “opposite” to compare rational numbers.

Lesson 4

  • I can explain what the absolute value of a number is.
  • I can find the absolute values of rational numbers.
  • I can recognize and use the notation for absolute value.

Lesson 5

  • I can explain what absolute value means in situations involving elevation.
  • I can use absolute values to describe elevations.
  • I can use inequalities to compare rational numbers and the absolute values of rational numbers.

Lesson 6

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

Lesson 7

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

Lesson 8

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

Lesson 9

  • 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 10

  • I can find the difference between two rational numbers.
  • I can solve problems that involve adding and subtracting rational numbers.
  • I understand how to subtract positive and negative numbers in general.

Lesson 11

  • I can plot points with negative coordinates in the coordinate plane.
  • I know what negative numbers in coordinates tell us.
  • When given points to plot, I can construct a coordinate plane with an appropriate scale and pair of axes.

Lesson 12

  • I can explain how rational numbers represent balances in a money context.
  • I can explain what points in a four-quadrant coordinate plane represent in a situation.
  • I can plot points in a four-quadrant coordinate plane to represent situations and solve problems.

Lesson 13

  • I can find horizontal and vertical distances between points on the coordinate plane.
  • I can plot polygons on the coordinate plane when I have the coordinates for the vertices.

Lesson 14

  • 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.
  • I can use rational numbers to represent speed and direction.

Lesson 15

  • I can solve problems that involve multiplying rational numbers.

Lesson 16

  • I can divide rational numbers.

Lesson 17

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

Lesson 18

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

Lesson 19

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

Lesson 20

  • 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 21

  • I can use ordered pairs to draw a picture.

Lesson 22

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