Number Line: Integers_數線:整數

Number Line: Integers_數線:整數 螢幕截圖  下載  嵌入
  • Number Line
  • Integers
  • Absolute Value

標題

  • Number Line
  • Integers
  • Absolute Value

描述

海拔高度、帳戶餘額和溫度有什麼共同點?它們都可以在數線上表示。比較數線上和不等式中的整數,並探討絕對值的含義。

HTML5 版本之翻譯:
翁佳驥(2016~)

學習目標

  • Use positive and negative numbers to represent quantities in multiple contexts.
  • Explain the meaning of positive values, negative values, and zero, in multiple contexts.
  • Describe the location of a point on a number line with respect to another number.
  • Describe the location of a point on a number line with respect to its opposite
  • Define the absolute value of a number as its distance from zero.
  • Interpret inequality statements as statements about the relative position of two integers on a number line diagram.

標準對齊

共用核心 - 數學

6.NS.C.5
Understand that positive and negative numbers are used together to describe quantities having opposite directions or values (e.g., temperature above/below zero, elevation above/below sea level, credits/debits, positive/negative electric charge); use positive and negative numbers to represent quantities in real-world contexts, explaining the meaning of 0 in each situation.
6.NS.C.6a
Recognize opposite signs of numbers as indicating locations on opposite sides of 0 on the number line; recognize that the opposite of the opposite of a number is the number itself, e.g., -(-3) = 3, and that 0 is its own opposite.
6.NS.C.6c
Find and position integers and other rational numbers on a horizontal or vertical number line diagram; find and position pairs of integers and other rational numbers on a coordinate plane.
6.NS.C.7
Understand ordering and absolute value of rational numbers.
6.NS.C.7a
Interpret statements of inequality as statements about the relative position of two numbers on a number line diagram. For example, interpret -3 > -7 as a statement that -3 is located to the right of -7 on a number line oriented from left to right.
6.NS.C.7b
Write, interpret, and explain statements of order for rational numbers in real-world contexts. For example, write -3 oC > -7 oC to express the fact that -3 oC is warmer than -7 oC.
6.NS.C.7c
Understand the absolute value of a rational number as its distance from 0 on the number line; interpret absolute value as magnitude for a positive or negative quantity in a real-world situation. For example, for an account balance of -30 dollars, write |-30| = 30 to describe the size of the debt in dollars.
6.NS.C.7d
Distinguish comparisons of absolute value from statements about order. For example, recognize that an account balance less than -30 dollars represents a debt greater than 30 dollars.
7.NS.A.1a
Describe situations in which opposite quantities combine to make 0. For example, a hydrogen atom has 0 charge because its two constituents are oppositely charged.
7.NS.A.1b
Understand p + q as the number located a distance |q| from p, in the positive or negative direction depending on whether q is positive or negative. Show that a number and its opposite have a sum of 0 (are additive inverses). Interpret sums of rational numbers by describing real-world contexts.
版本 1.0.1

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