Mental addition and subtraction
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Mental addition and subtraction
09.11.2019
We used mental calculation in finding the sum and the difference of 2-3 digits numbers.
Activity
The students answered orally the given number problems
?= 15 + 25
Homework
?What is the difference of 1000 - 999
We used mental calculation in finding the sum and the difference of 2-3 digits numbers.
Activity
The students answered orally the given number problems
?= 15 + 25
Homework
?What is the difference of 1000 - 999
leea- المساهمات : 744
تاريخ التسجيل : 15/09/2018
مواضيع مماثلة
» Addition and subtraction:Solving problems using mental and written methods
» Addition and subtraction
» Addition and subtraction
» Addition and subtraction
» Addition and subtraction
» Addition and subtraction
» Addition and subtraction
» Addition and subtraction
» Addition and subtraction
صفحة 1 من اصل 1
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