建立一個分數

建立一個分數 螢幕截圖  下載  嵌入
  • Fractions
  • Equivalent Fractions
  • Mixed Numbers
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標題

  • Fractions
  • Equivalent Fractions
  • Mixed Numbers

描述

從形狀及數字建立一個分數,以便在分數遊戲或是探索分數實驗室中贏得星星。挑戰一下自己,您可以挑選喜歡的遊戲難度,看看可以收集多少星星。

翻譯者:
Amber Chang (2012)

學習目標

  • Build equivalent fractions using numbers and pictures
  • Compare fractions using numbers and patterns
  • Recognize equivalent simplified and unsimplified fractions
  • Note: Build A Fraction expands on ideas from the Fraction Intro and Fraction Matcher sims or can be used as a stand-alone tool

Standards Alignment

Common Core - Math

1.G.A.3
Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of. Describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares.
2.G.A.2
Partition a rectangle into rows and columns of same-size squares and count to find the total number of them.
2.G.A.3
Partition circles and rectangles into two, three, or four equal shares, describe the shares using the words halves, thirds, half of, a third of, etc., and describe the whole as two halves, three thirds, four fourths. Recognize that equal shares of identical wholes need not have the same shape.
3.G.A.2
Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole. For example, partition a shape into 4 parts with equal area, and describe the area of each part as 1/4 of the area of the shape.
3.NF.A.1
Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity formed by a parts of size 1/b.
3.NF.A.2
Understand a fraction as a number on the number line; represent fractions on a number line diagram.
3.NF.A.2a
Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.
版本 1.02

老師提供的活動

Equivalent Fractions Day 3 of 3 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meaghan Hixson K-5 指引 數學
Fractions 3 Day Unit A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Meaghan Hixson K-5 指引 數學
Working with Fractions A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Deborah Gaff K-5 實驗室
Alignment of PhET sims with NGSS 此貢獻是由 PhET 所作之設計 Trish Loeblein 高中 其它 生物
物理
地球科學
化學
How do PhET simulations fit in my middle school program? 此貢獻是由 PhET 所作之設計 Sarah Borenstein 國中 其它 化學
生物
地球科學
物理
MS and HS TEK to Sim Alignment Elyse Zimmer 高中
國中
其它 物理
化學
生物
분수 만들기 SIM 사용설명서 이화국(Wha Kuk Lee) K-5 展示
作業
數學
Kesirler - 3 Derslik Öğrenci Çalışması Sebnem Atabas (Translated from Fraction Unit Student Sheet by Meaghan Hixson) 國中 指引 數學
Building Fractions Nicole Scicutella 國中
K-5
作業
指引
數學
Back to the Basics Nyetta Abernathy 國中
高中
K-5
作業
實驗室
數學
Teacher Michele Immediato K-5 實驗室 數學
Building Fractions Jillian Gutman K-5
國中
實驗室
概念問題
作業

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