Multiplication and division

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

How many is 3 groups of 4 ?

4 + 4 + 4 = 12 3x4 = 12 4 + 4 + 4 = 3x4

How Can You Use Appropriate Tools to Represent and Solve Problems ?

I can decide which tools are appropriate . use cubes and counters to solve this problem . use the tools correctly .

How Can Multiplication Facts Help You Divide

Multiplication This array can show the relationship 3 rows of 10 drums between multiplication and division . 3 x 10 = 30 30 drums Division 30 drums in 3 equal ro 30 ÷ 3 = 10 10 drums in each row

Model with math

Using objects or drawing a picture that represents the problem can help you solve it .

How Can You Divide Using Repeated Subtraction ?

You can use repeated subtraction to find how many groups of 2 are in 10 . You can subtract 2 five times . There are five groups of 2 in 10 . 10-2 = 8 8-2 = 6 6-2 = 4 4-2 = 2 2-2 = 0 There are no strawberries left . June can serve 5 guests .

Division

is an operation that is used to find how many equal groups there are or how many are in each group

A fact family

shows how multiplication and division are related . Fact family for 3 , 10 , and 30 : 3 x 10 = 30 30+ 3 = 10

quotient

the answer to a division problem .

product

the answer to a multiplication problem

divisor

the number by which another number is divided .

dividend

the number of objects to be divided .

Commutative Order Property of Multiplication

you can multiply numbers in any order and the product is the same


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