Υπολογισμός εμβαδού - Δεκαδικοί

Υπολογισμός εμβαδού - Δεκαδικοί Στιγμιότυπο οθόνης  Λήψη  Ενσωμάτωση
  • Πολλαπλασιασμός
  • Decimals
  • Area Model

Περιεχόμενο

  • Πολλαπλασιασμός
  • Decimals
  • Area Model
  • Factors
  • Partial Products

Description

Build rectangles of various sizes and relate multiplication to area. Partition a rectangle into smaller areas and discover new strategies for multiplying decimals!

Δείγμα μαθησιακών στόχων

  • Recognize that area represents the product of two numbers and is additive.
  • Develop and justify a strategy that uses the area model to simplify a decimal multiplication problem.
  • Devise a strategy to determine the product of two rational numbers (or an integer and a rational number) by representing the product as an area or the sum of areas.
  • Use an area model to understand why multiplying a given number by a decimal less than 1 results in a product smaller than the given number.
  • Interpret the product of two rational numbers using base-ten tiles

Standards Alignment

Common Core - Math

5.NF.B.4
Apply and extend previous understandings of multiplication to multiply a fraction or whole number by a fraction.
5.NF.B.4a
Interpret the product (a/b) × q as a parts of a partition of q into b equal parts; equivalently, as the result of a sequence of operations a × q ÷ b. For example, use a visual fraction model to show (2/3) × 4 = 8/3, and create a story context for this equation. Do the same with (2/3) × (4/5) = 8/15. (In general, (a/b) × (c/d) = ac/bd.)
5.NF.B.4b
Find the area of a rectangle with fractional side lengths by tiling it with unit squares of the appropriate unit fraction side lengths, and show that the area is the same as would be found by multiplying the side lengths. Multiply fractional side lengths to find areas of rectangles, and represent fraction products as rectangular areas.
5.NF.B.5
Interpret multiplication as scaling (resizing), by:
5.NF.B.5a
Comparing the size of a product to the size of one factor on the basis of the size of the other factor, without performing the indicated multiplication.
5.NF.B.5b
Explaining why multiplying a given number by a fraction greater than 1 results in a product greater than the given number (recognizing multiplication by whole numbers greater than 1 as a familiar case); explaining why multiplying a given number by a fraction less than 1 results in a product smaller than the given number; and relating the principle of fraction equivalence a/b = (n × a)/(n × b) to the effect of multiplying a/b by 1.
Version 1.2.1

Teacher-Submitted Activities

Games Remote Lesson ideas A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Αυτή η συνεισφορά σχεδιάστηκε από το PhET. Trish Loeblein ΛΚ
ΠΡ-Αρχ
Κ-5
ΓΜ
ΚΕ
Remote
Χημεία
Μαθηματικά
Φυσική
Area Model Decimals - Grade 6 A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Maura Dudley ΓΜ Guided Μαθηματικά
Middle School Math Sim Alignment Αυτή η συνεισφορά σχεδιάστηκε από το PhET. Amanda McGarry ΓΜ Άλλο Μαθηματικά
PRIMARIA: Alineación con programas de la SEP México (2011 y 2017) Αυτή η συνεισφορά σχεδιάστηκε από το PhET. Diana López Κ-5
ΓΜ
Επίδειξη
Discuss
Εργ
Guided
ΚΕ
Χημεία
Αστρονομία
Φυσική
Μαθηματικά

Γλώσσα Download or Run Tips
Αγγλικά All English Download Run now Area Model Decimals
Αλβανικά All shqip Download Run now Modeli i Syprinës: Decimal
Αραβικά All العربية Download Run now نموذج مساحة الأعداد العشرية
Βασκικα All Euskara Download Run now Azalera-modeloa hamartarrekin
Βιετναμέζικα All Tiếng Việt Download Run now Số thập phân với mô hình diện tích
Βοσνιακά All Bosanski Download Run now Matematički model površina - Decimalni brojevi
Γαλλικά All français Download Run now Modélisation par les aires avec décimales
Γερμανικά All Deutsch Download Run now Flächenmodell Dezimalzahlen
Γκουτζαράτι All Gujarati Download Run now અપૂર્ણાંકમાં ક્ષેત્રફળનું મોડેલ - નિકુંજ સવાણી દ્વારા
Δανικά All Dansk Download Run now Arealmodel, decimaler
Ιαπωνικά All 日本語 Download Run now 面積と式の展開(小数)
Ισπανικά All español Download Run now Modelo de Áreas: Decimales 
Ισπανικά (Μεξικό) All español (México) Download Run now Modelo de Áreas: Decimales
Ισπανικά (Περού) All español (Perú) Download Run now Modelo de área con decimales
Ιταλικά All italiano Download Run now Rappresentazione grafica del prodotto di numeri decimali
Καζάχικα All Kazakh Download Run now Ауданды ондық бөлшектермен есептеу
Κινέζικα - Απλά All 中文 (中国) Download Run now 面积模型:小数
Κινέζικα - Παραδοσιακά All 中文 (台灣) Download Run now Area Model Decimals_面積模型與小數
Κορεάτικα All 한국어 Download Run now 면적 모형: 소수
Λετονικά All Latviešu Download Run now Laukuma modeļa decimāldaļskaitļi
Μογγολικά All Монгол (Монгол) Download Run now Талбайн Загвар Бутархайгаар
Ολλανδικά All Nederlands Download Run now Oppervlakte model decimalen
Ουγγρικά All magyar Download Run now Területmodell: tizedesjegyek
Ουκρανικά All українська Download Run now Площинна модель десяткових дробів
Περσικά All فارسی Download Run now مدل مساحت اعشاری ها
Πολωνικά All polski Download Run now Model pola - ułamki dziesiętne
Πορτογαλικά Βραζιλίας All português (Brasil) Download Run now Modelo de Área: Decimais
Ρωσικά All русский Download Run now Вычисление площади с десятичными дробями
Σέρβικα All Српски Download Run now Математика преко површина-Децимални бројеви
Σινχαλέζικα All Sinhalese Download Run now වර්ගඑල ආකෘති දශම
Σουηδικά All svenska Download Run now Areamodellen och decimaltal
Ταμίλ All Tamil Download Run now மாதிரிகளின் தசமப் பரப்பளவு
Τουρκικά All Türkçe Download Run now Alan Modelinde Çarpma İşlemi (Ondalık)
Φινλανδικά All suomi Download Run now Pinta-alamalli desimaaleilla
Χίντι All हिंदी Download Run now नमूने का क्षेत्रफल - दाशमिक 

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