Mental arithmetic is the process such that arithmetical calculations performed in the mind, without writing figures down or using a calculator. Mental Arithmetic Videos gives the concept of arithmetical operation of large number or small number by mentally.
Process of arithmetic operations by Mentally
Mental arithmetic such that arithmetical calculations performed in the mind, without writing figures down or using a calculator. How many means that the number of objects.
For example How many fingers in a hand ?
The answer is 5. We just calculate this in our mind neither by writing nor by using calculator.
Here we can calculate large number within mental arithmetic.
Use of Mental Arithmetic Process
Encourage children to share their mental methods.
Encourage children to choose efficient strategies.
Encourage children to use informal jottings to keep track of the information they need when calculating.
Commit regular time to teaching mental calculation strategies.
Provide practice time with frequent opportunities for children to use one or more facts that they already know to work out more facts.
Introduce practical approaches and jottings, with models and images children can use, to carry out calculations as they secure mental strategies.
Encourage children in discussion when they explain their methods and strategies to you and their peers.
Ensure that children can confidently add and subtract any pair of two-digit numbers mentally, using jottings to help them where necessary.
Grade : 5
Subject : Maths
Lesson : Mental Arithmetic
Topic: Mental Arithmetic Videos
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