Aritmeetika

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  • Multiplication
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  • Multiplication

Description

Kas sa mäletad veel korrutustabelit?...Mina ka mitte. Selle mänguga saad värskendada oma korrutamise, jagamise ja astendamise oskusi. Kalkulaatori kasutamine keelatud!

Näidis-õpieesmärgid

  • Selgitab, kuidas korrutustabel aitab mõista korrutamist, astendamist ja jagamist.
  • Suurendab korrutamise, astendamise ja jagamise täpsust.

Standards Alignment

Common Core - Math

3.OA.A.1
Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 × 7.
3.OA.A.2
Interpret whole-number quotients of whole numbers, e.g., interpret 56 ÷ 8 as the number of objects in each share when 56 objects are partitioned equally into 8 shares, or as a number of shares when 56 objects are partitioned into equal shares of 8 objects each. For example, describe a context in which a number of shares or a number of groups can be expressed as 56 ÷ 8.
3.OA.A.4
Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 × ? = 48, 5 = _ ÷ 3, 6 × 6 = ?
3.OA.B.5
Apply properties of operations as strategies to multiply and divide.2 Examples: If 6 × 4 = 24 is known, then 4 × 6 = 24 is also known. (Commutative property of multiplication.) 3 × 5 × 2 can be found by 3 × 5 = 15, then 15 × 2 = 30, or by 5 × 2 = 10, then 3 × 10 = 30. (Associative property of multiplication.) Knowing that 8 × 5 = 40 and 8 × 2 = 16, one can find 8 × 7 as 8 × (5 + 2) = (8 × 5) + (8 × 2) = 40 + 16 = 56. (Distributive property.)
3.OA.B.6
Understand division as an unknown-factor problem. For example, find 32 ÷ 8 by finding the number that makes 32 when multiplied by 8.
3.OA.C.7
Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.
3.OA.D.9
Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends.
Version 2.03

Teacher Tips

Õpetajate juhend (pdf) sisaldab PhETi poolt loodud nõuandeid. ( PDF ).

Teacher-Submitted Activities

Arithmetic Games (Inquiry Based) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Selle kaastöö koostas PhET. Trish Loeblein KK Pr Matemaatika
Juego de Aritmética (Basado en Indagación) A gold star indicates high-quality, inquiry-based activities that follow the PhET design guidelines. Selle kaastöö koostas PhET. Trish Loeblein, traducido por Diana López PK
KK
KT
Guided
Matemaatika
Alignment of PhET sims with NGSS Selle kaastöö koostas PhET. Trish Loeblein KK Muu Bioloogia
Füüsika
Maateadus
Keemia
How do PhET simulations fit in my middle school program? Selle kaastöö koostas PhET. Sarah Borenstein PK Muu Maateadus
Füüsika
Bioloogia
Keemia
MS and HS TEK to Sim Alignment Elyse Zimmer PK
KK
Muu Bioloogia
Füüsika
Keemia
Math facts - Using the Multiplication Chart Tapan Sarkar PK Pr Matemaatika
Back to the Basics Nyetta Abernathy K-5
PK
KK
KT
Pr
Matemaatika
Discovering divisibility rules Stacy Larson PK
KK
Pr Matemaatika
곱셈 나눗셈 연습 SIM 사용설명서 이화국(Wha Kuk Lee) K-5
PK
KT
Demo
SK
Matemaatika
Füüsika
OBJETO DE APRENDIZAGEM: ARITHMETIC Arlete Moura de Oliveira Cabral e Maria Cleide da Silva Barroso K-5 Guided Matemaatika
Operações Aritméticas Fundamentais Georgyana Cidrão; Francisco Régis Vieira Alves K-5 Guided
Pr
Matemaatika

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Kujundajad Kolmandate osapoolte materjalid Täname
  • Michael Dubson (developer/lead)
  • Trish Loeblein